Birds that are related, such as Darwin's finches, but that vary in beak size and behavior specially evolved to their habitat are examples of a process called speciation. It has long been thought that dramatic changes in a ...
Evolution
Nov 20, 2014
643
0
A new species of South American fossil terror bird called Llallawavis scagliai ("Scaglia's Magnificent Bird") is shedding light on the diversity of the group and how these giant extinct predators interacted with their environment. ...
Archaeology
Apr 9, 2015
2
366
A new study has found that species living together are not forced to evolve differently to avoid competing with each other, challenging a theory that has held since Darwin's Origin of Species.
Evolution
Dec 22, 2013
2
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Babies of a bird species called the Eurasian roller vomit a foul-smelling orange liquid as a defence mechanism against predators, biologists have discovered.
Plants & Animals
Mar 7, 2012
0
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(AP) -- One of the world's most famous fossil creatures, widely considered the earliest known bird, is getting a rude present on the 150th birthday of its discovery: A new analysis suggests it isn't a bird at all.
Archaeology
Jul 27, 2011
9
0
A team of researchers working for the National Audubon Society has found evidence that suggests approximately two-thirds of North American breeding birds are at risk of extinction from climate change over the next century. ...
Despite a few high-profile conservation success stories—like the dramatic comeback of bald eagle populations in North America—birds of prey are in decline worldwide.
Ecology
Aug 31, 2021
5
277
A new study from researchers at The Australian National University (ANU) rolls back the curtain on half a century of evidence detailing the impact of climate change on more than 60 different bird species.
Ecology
Mar 8, 2022
0
121
Mathematicians at the University of York in the UK and the University of Canterbury in New Zealand say they have disproved a widely accepted theory underpinning the operation of complex networks of interactions in the natural ...
Mathematics
Jun 20, 2012
0
0
Jubilant conservationists expressed hope Tuesday for the survival of the critically-endangered giant ibis after a nest of the bird species was discovered in a previously unknown habitat in northeastern Cambodia.
Ecology
Aug 20, 2013
0
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