In our recent study, we took advantage of data that was collected by one dedicated fieldworker, Ronelle Visagie, who drove ...

Add Yahoo as a preferred source to see more of our stories on Google. African raptors that hunt during the day face an extinction crisis, with populations decreasing among dozens of species of birds ...

Numbers have dropped, in some cases sharply, for nearly all of the 42 raptor species surveyed in sub-Saharan regions. By Rachel Nuwer Silhouettes of patrolling raptors filled skies throughout Africa ...

A recent study finds that African lion populations are declining as their herbivore prey are as well, prompting a need to protect these prey species to reverse the trend. Preventing prey depletion can ...

The authors concluded that as a group, Africa's diurnal raptors — those active during the day like eagles — "are facing an extinction crisis, with more than two-thirds of the species examined ...

Repeated road counts across South Africa show that half of the country’s surveyed raptor and large terrestrial bird species have declined significantly over recent decades, adding to a growing body of ...

Studies determine how prey density affects African wild dogs and lions. Two recently published studies by a Montana State University ecologist reveal new findings about the relationship between ...

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

Birds of prey and vultures (raptors) play a vital role in ecosystems, both as top predators and key scavengers. However, compared to many other bird species, raptor populations are declining faster.