Interbreeding across species lines is one way helpful genes can spread into a bird population.
Articles on Speciation
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A legal scholar with a Ph.D. in wildlife genetics explains the promise biotechnology techniques hold for some animals that are currently endangered.
Crowd-sourcing images of caterpillars from nature apps allowed researchers to study the emergence of a new species of caterpillar.
Feral cats double the size of domestic tabbies. Cane toads with longer legs. And dingoes with flexible joints. ‘Selection pressure’ is at work on introduced animals.
The International Union for Conservation of Nature has made two big decisions related to the conservation of the African elephant.
Rivers are natural boundaries for evolving populations. But scientists don’t agree whether they create new species or just help maintain them. Research using birds’ molecular clocks provides some answers.
Top contributors
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Professor of Zoology, Universidade Federal de Pernambuco, Brazil and Visiting Scholar, Harvard University
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Associate Professor of Biology, Penn State
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Master of Science student, Zoology, University of British Columbia
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Associate professor, Zoology, University of British Columbia
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Associate Professor of Behavioural Ecology, Curtin University
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Wildlife Conservation Society, African Elephant Specialist Group (IUCN) and Honorary Professor, University of Stirling
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Post Doctoral Research Fellow, University of Stirling
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Associate Professor of Law, University of Florida