
Bird Genoscape Project
Declines of ebony and ivory are inextricably linked in an African rainforest
Published Work 2025
Persistent impacts of West Nile virus on North American bird populations
Published Work 2015 | Proceedings of the National Academy of Sciences 112(46), 14290–14294
Developmental plasticity affects sexual size dimorphism in a anole lizard
Published Work 2015 | Functional Ecology 30, 235–243
Published Work 2015 | Journal of Avian Biology 46(3), 307–314
Published Work 2015 | Biological Journal of the Linnaean Society 115(1), 127–133
How the zebra got its stripes: a problem with too many solutions
Published Work 2015 | Royal Society Open Science 2
Avian influenza surveillance in Central and West Africa, 2010-2014
Published Work 2014 | Epidemiology and Infection 143(10), 2205-2212
Safeguarding biodiversity: what is perceived as working according to the conservation community?
Published Work 2014 | Oryx 50(2), 302-307
Published Work 2014 | Biotropica 47(1), 6–17
Mapping migration in a songbird using high-resolution genetic markers
Published Work 2014 | Molecular Ecology 23(23), 5726–5739
Prescriptive evolution to conserve and manage biodiversity
Published Work 2014 | Annual Review of Ecology, Evolution, and Systematics 45, 1.1–1.22
Published Work 2014 | Parasitology 142(5), 635-647
Published Work 2014 | Biotropica 46(6), 763–770
Applying evolutionary biology to address global challenges
Published Work 2014 | Science 346(6207)
Published Work 2014 | Applied Geography 53, 369–376
Integrative tracking methods elucidate the evolutionary dynamics of a migratory divide
Published Work 2014 | Ecology and Evolution 4(17), 3456–3469
Published Work 2014 | Journal of Infection 69(2), 174–181
A role for migration-linked genes in genomic islands in divergence of a songbird
Published Work 2014 | Molecular Ecology 23(19), 4757–4769
Diet selection is related to breeding status in two frugivorous hornbill species of Central Africa
Published Work 2014 | Journal of Tropical Ecology 30(4), 273–290
New host and lineage diversity of avian haemosporidia in the Northern Andes
Published Work 2014 | Evolutionary Applications 7(7), 799–811
Spillover of pH1N1 to swine in Cameroon: an investigation of risk factors
Published Work 2014 | BMC Veterinary Research 10(55)
Published Work 2014 | Oecologia 125, 249–257
A continental risk assessment of West Nile virus under climate change
Published Work 2014 | Global Change Biology 2014, 20 (8), 2417–2425
Published Work 2014 | Veterinary Microbiology 168(1), 208–213
Metapopulation dynamics enable persistence of Influenza A, including A/H5N1, in poultry
Published Work 2014 | PLoS ONE 8(12)
Published Work 2013 | Biological Conservation 166, 203–211
Published Work 2013 | PLoS ONE 8(7)
Published Work 2013 | Molecular Ecology 22(16), 4163–4176
Published Work 2013 | Proceedings of the Royal Society Biology 280(1763)
Published Work 2013 | PLoS ONE 8(5)
Predicting bird song from space
Published Work 2013 | Evolutionary Applications 6(6), 865–874
Predicting hotspots for influenza virus reassortment
Published Work 2013 | Emerging Infectious Diseases 19(4), 581–588
Published Work 2013 | Integrative Zoology 8(1), 35–47
Published Work 2013 | Journal of Parasitology and Vector Biology 5, 6–12
Averting biodiversity collapse in tropical forest protected areas
Published Work 2012 | Nature 489, 290–294
Published Work 2012 | Journal of Clinical Virology 54(4), 364–367
Pandemic A/H1N1/2009 influenza virus in Swine, Cameroon, 2010
Published Work 2012 | Veterinary Microbiology 156, 189–192
Published Work 2012 | PLoS ONE 7(4)
Published Work 2012 | The Auk 129(2), 222–230
Published Work 2012 | EcoHealth 9, 80–88
Mating behavior drives seed dispersal by the Long-wattled Umbrellabird Cephalopterus penduliger
Published Work 2012 | Biotropica 44(5), 689–698
Published Work 2012 | Journal of Evolutionary Biology 25(3), 509–521
Host and habitat specialization of avian malaria in Africa
Published Work 2011 | Molecular Ecology 21(2), 431–441
Published Work 2011 | Conservation Genetics 13, 283–291
Diversification in Adelomyia hummingbirds follows Andean uplift
Published Work 2011 | Molecular Ecology 20(18), 4564–4576
Published Work 2011 | Evolution 65(11), 3162–3174
Published Work 2011 | Journal of Virological Methods 176, 125–130
Published Work 2011 | Journal of Parasitology 97(4), 682–694
Evolutionary patterns of diversification in the Andean hummingbird genus Adelomyia
Published Work 2011 | Molecular Phylogenetics and Evolution 60(2), 207–218
Published Work 2011 | Biological Journal of the Linnean Society 103(4), 821–835
Published Work 2011 | Molecular Ecology 20(15), 3102–3115
Published Work 2011 | Biological Journal of the Linnean Society 103(3), 696–706
Mapping evolutionary process: a multi-taxa approach to conservation prioritization
Published Work 2011 | Evolutionary Applications 4(2), 397–413
Human-induced morphological shifts in an island lizard.
Published Work 2011 | Evolutionary Applications 4(2), 388–396
Evolutionary principles and their practical application
Published Work 2011 | Evolutionary Application 4(2), 159–183
Published Work 2010 | Molecular Ecology 20(5), 1049–1061
Economic conditions predict prevalence of West Nile virus
Published Work 2010 | PLoS ONE 5(11)
Using remote sensing to map the risk of human monkeypox virus in the Congo Basin
Published Work 2010 | EcoHealth 8(1), 14-25
Comparative avian biodiversity of five mountains in northern Cameroon and Bioko
Published Work 2010 | Ostrich 71, 269–276
Published Work 2010 | Global Change Biology 17(4), 1671–1680
Human impacts flatten rainforest-savanna gradient and reduce adaptive diversity in a rainforest bird
Published Work 2010 | PLoS ONE 5(9)
Spatially explicit predictions of blood parasites in a widely distributed African rainforest bird
Published Work 2010 | Procedings of the Royal Society B 278, 1025–1033
Spatial modelling and landscape-level approaches for visualizing intra-specific variation
Published Work 2010 | Molecular Ecology 19(17), 3532–3548
Genomic signals of diversification along ecological gradients in a tropical lizard
Published Work 2010 | Molecular Ecology 19(17), 3773–3788
Destination-based seed dispersal homogenizes genetic structure of a tropical palm
Published Work 2010 | Molecular Ecology 19(8), 1745–1753
The recovery of coral genetic diversity in the Sunda Strait following the 1883 eruption of Krakatau
Published Work 2010 | Coral Reefs 29(3), 547–565
Mapping the risk of avian influenza in wild birds in the U.S.
Published Work 2010 | BMC Infectious Diseases 10(187)
Published Work 2010 | Journal of Parasitology 96(1), 136–143
Spatial variation of haemosporidian parasite infection in African rainforest bird species
Published Work 2010 | Journal of Parasitology 96, 21–29
Published Work 2010 | Evolutionary Applications 3(1), 1–16
Published Work 2009 | Ostrich 2004, 75(3), 79–88
Published Work 2009 | Conservation Genetic Resources 2, 205–208
Development of beak polymorphism in the African seedcracker, Pyrenestes ostrinus
Published Work 2009 | Evolution and Development 11(6), 636–646
Published Work 2009 | Heredity 104(6), 563–572
Published Work 2009 | Molecular Phyologenetics and Evolution 53(1), 335–339
Prevalence and diversity patterns of avian blood parasites in degraded African rainforest habitats
Published Work 2009 | Molecular Ecology 18(19), 4121–4133
The challenge of understanding the Coral Triangle biodiversity hotspot
Published Work 2009 | Biogeography 36(10), 1845–1846
Coquillettidia (Culicidae, Diptera) mosquitoes as new natural vectors of avian malaria in Africa
Published Work 2009 | Malaria Journal 8
Birdsong tuned to the environment: green hylia song varies with elevation, tree cover, and noise
Published Work 2009 | Behavioral Ecology 29, 1089–1095
The prevalence of avian Plasmodium is higher in undisturbed tropical forests of Cameroon
Published Work 2009 | Journal of Tropical Ecology 25, 439–447
Published Work 2009 | Molecular Ecology 18(14), 2979–2995
Character displacement of song and morphology in African tinkerbirds
Published Work 2009 | Proceedings of the National Academy of Sciences 106, 8256–8261
Equating forest conservation with hornbill conservation
Published Work 2009 | Conservation Biology 23(3), 782–783
Published Work 2009 | Journal of Avian Biology 40(4), 448–452
Parallel shifts in ecology and natural selection in an island lizard
Published Work 2009 | BMC Evolutionary Biology 9(3)
Adaptive diversification and anthropogenic impacts on African rainforest biodiversity
Thesis 2009
Published Work 2008 | Parasitology Research 104, 1061–1077
A threat to coral reefs multiplied? Four species of crown of thorns starfish
Published Work 2008 | Biology Letters 4(6), 696–699
Published Work 2008 | Molecular Ecology 17(24), 5276–5290
Published Work 2008 | Proceedings of the Royal Society B 275(1647), 2155–2164
Published Work 2008 | Conservation Biology 23(1), 81-92
Published Work 2008 | Harmful Algae 7(5), 614–629
Published Work 2008 | Parasitology Research 103, 1213–1228
Published Work 2008 | Conservation Biology 22(5), 1255–1266.
Published Work 2008 | Conservation Genetics 10, 803–814
Cirhilabrus beauperryi, a new wrasse (Pisces: Labridae) from Melanesia
Published Work 2008 | nternational Journal of Ichthyology 14(3), 129–140
Integrating paleoecology and genetics of bird populations in two sky island archipelagos
Published Work 2008 | BMC Biology 6(28)
Published Work 2008 | Condor 110(2), 335–344
Measuring and modeling biodiversity from space
Published Work 2008 | Progress in Physical Geography 32, 203–221
Identification and Conservation of Endemic Fishes of Tropical Pacific Archipelagoes
Published Work 2008 | Conservation Biology 22, 965–975
Home range and habitat preferences of the banded ground-cuckoo (Neomorphus radiolosus)
Published Work 2008 | Wilson Journal of Ornithology 120(1), 205–209
Postcopulatory fertilization bias as a form of cryptic sexual selection
Published Work 2008 | Evolution 62(5), 1137–1148
Contrasting demographic history and phylogeographical patterns in two Indo-Pacific gastropods
Published Work 2008 | Molecular Ecology 17(2), 611–626
The effects of delayed plumage maturation on aggression and survival in male red-backed fairy-wrens
Published Work 2008 | Behavioral Ecology 19(3), 508–516
Published Work 2008 | Journal of Avian Biology 39, 81–86
Advances in sexual selection theory: insights from tropical avifauna.
Published Work 2008 | Neotropical Ornithology 19, 151–163
Impacts of hunting on seed dispersal in a Central African tropical forest
Thesis 2008
Preface to the special issue: Evolutionary change in human-altered environments
Published Work 2007 | Molecular Ecology 17(1), 1–8
Published Work 2007 | Proceedings of the Royal Society B 274(1626), 2653–2660
A Report on the Results and Recommendations of the International Summit on Evolutionary Change in Human-altered Environments
Progress Report 2007
Evolutionary consequences of human disturbance in a rainforest bird species from Central Africa
Published Work 2007 | Molecular Ecology 17(1), 58–71
Published Work 2007 | Molecular Phylogenetics and Evolution 43(3), 795–807
Nesting biology of the banded ground-cuckoo (Neomorphus radiolosus)
Published Work 2007 | Wilson Journal of Ornithology 119(2), 222–228
Genetic identity determines risk of post-settlement mortality of a marine fish
Published Work 2007 | Ecology 88(5), 1263–1277
Published Work 2007 | Biotropica 39(3), 340–347
Published Work 2007 | Evolution 61(5), 1052–1061
Intraspecific variation in Anolis sagrei mirrors the adaptive radiation of Greater Antillean anoles
Published Work 2007 | Biological Journal of the Linnean Socity 90(2), 189–199
Inbreeding is reduced by female-biased dispersal and mating behavior in Ethiopian wolves
Published Work 2007 | Behavioral Ecology 18(3), 579–589
Genetic approaches to measuring connectivity
Published Work 2007 | Oceanography 20(3), 22–31
Multiple paternity and sperm storage lead to increased genetic diversity in Anolis lizards
Published Work 2007 | Evolutionary Ecology Research 9, 495–503
Genomics and conservation genetics
Published Work 2006 | Trends in Ecology and Evolution 21(11), 629–637
Postglacial population expansion drives the evolution of long-distance migration in a songbird
Published Work 2006 | Evolution 60(11), 2403–2409
Published Work 2006 | Molecular Ecology 16(1), 159–173
Published Work 2006 | Evolution 60(9), 1825–1839
Published Work 2006 | Molecular Ecology 15(11), 1487–1494
Published Work 2006 | Proceedings of the Royal Society of London, Series B 273(1597), 2053–2061
Continental-scale patterns of canopy tree composition and function across Amazonia
Published Work 2006 | Nature 443, 444–447
Published Work 2006 | Marine Biology 150, 213–220
A southern California freeway is a physical and social barrier to gene flow in carnivores
Published Work 2006 | Molecular Ecology 15(7), 1733–1741
Context dependent territory defense: the importance of habitat structure in Anolis sagrei
Published Work 2006 | Ethology 112(6), 537–543
Elevational zonation and the phylogenetic relationships of the Henicorhina wood-wrens
Published Work 2006 | The Auk 123(1), 119–134
Published Work 2005 | Journal of Heredity 97(2), 133–142
Published Work 2005 | Molecular Ecology 14(13), 3977–3988
Published Work 2005 | Ecology 86(10), 2684–2694
Combining isotopic and genetic markers to identify breeding origins of migrant birds
Published Work 2005 | Ecological Applications 15(5), 1487–1494
Published Work 2005 | BMC Evolutionary Biology 5 (47)
Published Work 2005 | Molecular Ecology Notes 5(4), 849–850
Published Work 2005 | Journal of Biogeography 32, 1371–1384
Temporal and spatial patterns of macaw abundance in the Ecuadorian Amazon
Published Work 2005 | Condor 107(3), 617–626
Published Work 2005 | Biology Notes 2005, 5, 844–845
Published Work 2005 | Molecular Ecology Notes 5(4), 834–836
Published Work 2005 | Molecular Ecology Notes 5(4), 774–776
Published Work 2005 | Molecular Ecology Notes 5(4), 755–756
Further observations on the blood parasites of birds in Uganda
Published Work 2005 | Journal of Wildlife Diseases 41(3), 580–587
Epibiotic microbes as food and defense formarine isopods: unique symbioses in a hostile environment
Published Work 2005 | Proceedings of the Royal Society of London, Series B 272(1569), 1209–1216
A technique for the rapid extraction of microalgal DNA from single live and preserved cells
Published Work 2005 | Molecular Ecology Notes 5(3), 688–691
Published Work 2005 | Evolutionary Ecology 20, 377–392
Blood parasites of some West African rainforest birds
Published Work 2005 | Journal of Veterinary Medical Science 67(3), 295–301
Published Work 2005 | Molecular Phylogenetics and Evolution 35(1), 235–253
Published Work 2005 | Journal of Parasitology 91(2), 397–401
Published Work 2005 | Conservation Biology 19(2), 523–533.
Published Work 2005 | Birds of Two Worlds: The Ecology and Evolution of Migration 223-231
Importance of body size in determining dominance hierarchies among diverse tropical frugivores
Published Work 2005 | Biotropic 37(1), 95–100
Published Work 2005 | University of Chicago Press: Chicago, Chicago, USA, 148–165
Putting process on the map: Why ecotones are important for preserving biodiversity
Published Work 2005 | Phylogeny and Conservation
Legacy lost: genetic variability and population size of extirpated US grey wolves (Canis lupus)
Published Work 2004 | Molecular Ecology 14(1), 9–17
Testing alternative mechanisms of evolutionary divergence in an African rainforest passerine bird
Published Work 2004 | Journal of Evolutionary Biology 18(2), 257–268
SNPs in ecology, evolution and conservation
Published Work 2004 | Trends in Ecology and Evolution 19(4), 208–216
Fruiting trees as dispersal foci in a semi-deciduous tropical forest
Published Work 2004 | Oecologia 139(1), 66–75
Using genetic markers to estimate the pollen dispersal curve
Published Work 2004 | Molecular Ecology 13(4), 937–954
Published Work 2004 | Conservation Biology 18(1), 156–166
Within clutch variation in offspring sex determined by differences in sire body size
Published Work 2003 | Journal of Evolutionary Biology 17(2), 464–470
Ocean currents mediate evolution in island lizards
Published Work 2003 | Nature 426, 552–555
Published Work 2003 | Bird Conservation International 13(4), 351–360
Conservation in conflict: The tale of two endangered species
Published Work 2003 | Conservation Biology 17(5), 1251–1260.
Remote sensing for biodiversity science and conservation
Published Work 2003 | Trends in Ecology and Evolution 18(6), 306–314
Published Work 2003 | Oecologia 136, 302–308
Testing the function of petal displays in the red-backed fairy-wren
Published Work 2003 | Emu 103(1), 87–92
Published Work 2003 | Molecular Ecology 12(4), 1021–1029
Published Work 2003 | Molecular Ecology 12(4), 819–830
Published Work 2003 | Plant Ecology 164(1), 49–64
Physiological epistasis, ontogenetic conflict and natural selection on physiology and life history
Published Work 2003 | Integrative and Comparative Biology 43(3), 419–430
Long-distance movements of frugivorous rainforest hornbills
Published Work 2002 | Ecography 25(6), 745–749
Uncoupling direct and indirect components of female choice in the wild
Published Work 2002 | Proceedings of the National Academy of Sciences 99, 14897–14902
Published Work 2002 | Molecular Ecology 11(9), 1657–1668
Published Work 2002 | Molecular Ecology 11(9), 1605–1616
Published Work 2002 | Evolution 56(9), 1849–1858
Published Work 2002 | Proceedings of the Royal Society of London, Series B 2002, 269, 1591–1597
A comparative analysis of PCR-based detection methods for avian malaria
Published Work 2002 | Journal of Parasitology 88(4), 819–822
Closing the seed dispersal loop
Published Work 2002 | Trends in Ecology and Evolution 17(8), 379–386
Birdsong and sound transmission: The benefits of reverberations
Published Work 2002 | Condor 104(3), 564–573
Costs and benefits of variable breeding plumage in the red-backed fairy-wren
Published Work 2002 | Evolution 56(8), 1673–1682
Published Work 2002 | Proceedings of the Royal Society, London 269(1498), 1375–1381
Published Work 2002 | Journal of Crustacean Biology 20(2), 20–36
Bird song, ecology and speciation
Published Work 2002 | Philosophical Transactions of the Royal Society 357(1420), 493-503
Published Work 2002 | Molecular Ecology 11(4), 659–674
Differential resource use by primates and hornbills: implications for seed dispersal
Published Work 2002 | Ecology 83(1), 228–240
The role of arboreal seed dispersal groups on the seed rain of a lowland tropical forest
Published Work 2001 | Biotropica 33(4), 606–620
Seed dispersal by a primate community in the Dja Reserve, Cameroon
Published Work 2001 | Journal of Tropical Ecology 17(6), 787–808
Published Work 2001 | Molecular Phylogenetics and Evolution 20(3), 460–473
The behavioural ecology of the island fox (Urocyon littoralis)
Published Work 2001 | Journal of Zoology 2001, 255(1), 1–14
Host specificity and prevalence of Trypanosoma in the African avifauna: a molecular approach
Published Work 2001 | Molecular Ecology 10(9), 2319–2327
Microsatellite analysis of female mating behaviour in lek-breeding sage grouse
Published Work 2001 | Molecular Ecology 10(8), 2043–2048
[Commentary] Biodiversity hotspots and beyond: the need for preserving environmental transitions
Published Work 2001 | Trends in Ecology and Evolution 16(8), 431
Published Work 2001 | Molecular Ecology 10(7), 1703–1723
Published Work 2001 | American Journal of Primatology 54(2), 91–105
Social organization and mating system of the Striated Grasswren
Published Work 2001 | Condor 103, 412–418
Selection on females can lead to ‘larger males’
Published Work 2001 | Proceedings of the Royal Society of London B 268, 725–728
Breeding characteristics of the Akohekohe on east Maui
Published Work 2001 | Studies in Avian Biology 22, 194–201
Hybridization and Conservation of Carnivores
Published Work 2001 | Cambridge University Press 255, 145–162
Widespread origins of domestic horse lineages
Published Work 2001 | Science 291(5503), 474–477
Tripartite genetic subdivisions in the ornate shrew (Sorex ornatus)
Published Work 2001 | Molecular Ecology 10(1), 127–147
Published Work 2001 | Genetica 112, 383–398
Nature and origins of unique high diversity reef faunas in the Bay of Tomini, Central Sulawesi: The ultimate “centre of diversity”?
Published Work 2000 | Proceedings 9th International Coral Reef Symposium, Bali, Indonesia, 185–192
Natural selection mapping of the warfarin-resistance gene
Published Work 2000 | Proceedings of the National Academy of Sciences of the United States of America 97(14), 7911–7915
Considering evolutionary processes in conservation biology
Published Work 2000 | Trends in Ecology and Evolution 15(7), 290–295
Published Work 2000 | Proceedings of the Royal Society 267, 1033–1040
Reaching new adaptive peaks: Evolution of bill size polymorphism in an African finch
Published Work 2000 | Adaptive Genetic Variation in the Wild
Using High-Definition Satellite Imagery to Assess the Loss of Ecotone Habitats in the Congo Basin, 1999-2000
Progress Report 2000
Diversification of rainforest faunas: An integrated molecular approach
Published Work 2000 | Annual Reviews of Ecology and Systematics 31, 533–563
Diel shifts in treehopper-tending by ants and wasps in Costa Rica
Published Work 2000 | Sociobiology 36(1), 123-131
A novel pattern of reversed sexual dimorphism in fairy-wrens: implications for sexual selection
Published Work 2000 | Behavioral Ecology 11(3), 345–349
Population genetics of ice age brown bears
Published Work 1999 | Proceedings of the National Academy of Sciences of the United States of America 97(4), 1651–1654
Published Work 1999 | roceedings of the National Academy of Sciences 96(24), 13869–13873
Biotic Surveys of Bioko and Rio Muni, Equatorial Guinea, 1999
Progress Report 1999
Published Work 1999 | Molecular Ecology 8(4), 563–576
Published Work 1999 | Molecular Ecology 8(4), 547–562
Published Work 1998 | Trends in Ecology and Evolution 13(12), 502–506
Published Work 1998 | American Conservation 1(2), 107–117
Seed dispersal by Ceratogymna hornbills in the Dja Reserve of Cameroon
Published Work 1998 | Journal of Tropical Ecology 14(3), 351–371
A role for ecotones in generating rainforest biodiversity
Published Work 1997 | Science 276(5320), 1855–1857
Published Work 1997 | Ibis 139(2), 382–387
Faunal Surveys of Selected Montane and Lowland Areas of Cameroon, 1996
Progress Report 1996
Published Work 1996 | Molecular Genetic Approaches in Conservation 1-21
Evolutionary significance of resource polymorphisms in fish, amphibians and birds
Published Work 1996 | Annual Review of Ecology and Systematics 27, 111–133
The ecology of resource polymorphisms in vertebrates: a reply
Published Work 1996 | Trends in Ecology and Evolution 11(1), 26
Breeding behavior of the elegant trogon in southeast Arizona
Published Work 1996 | The Auk 113(1), 143–150
Large Mammal and Conservation Potential of Four Mountains in Northern Cameroon, 1995 (unpublished ms)
Progress Report 1995
Resource polymorphisms in vertebrates
Published Work 1995 | Trends in Ecology & Evolution 10(9), 366-370
Evolutionary consequences of extinctions in populations of a Hawaiian honeycreeper
Published Work 1995 | Conservation Biology 9(1), 107–113
The preservation of process: the missing element of conservation programs
Published Work 1993 | Biodiversity Letters 1(6), 164–167
Disruptive selection and the genetic basis of bill size polymorphism in the African finch Pyrenestes
Published Work 1993 | Nature 363, 618–620
Published Work 1993 | Birds and the African Environment: Proceedings of the Eighth Pan-African Ornithological Congress 268
Published Work 1991 | Oikos 60(1), 76–82
Published Work 1990 | Biological Journal of the Linnean Society 41(4), 381–414
Resource use by bill morphs of an African finch: Evidence for intraspecific competition
Published Work 1990 | Ecology 71(4), 1246–1257
Natural selection on bill characters in the two bill morphs of the African finch Pyrenestes ostrinus
Published Work 1990 | Evolution 44(4), 832–842
Published Work 1990 | The Auk 107(1), 153–160
Portable device for measuring seed-hardness
Published Work 1989 | Journal of Field Ornithology 60(1), 56–59
Blood parasites of birds in Cameroon
Published Work 1988 | The Journal of Parasitology 74(6), 1009-1013
Bill size polymorphism and interspecific niche utilization in an African finch
Published Work 1987 | Nature 329, 717-719
Published Work | Biological Journal of the Linnean Society 71(4), 737–753