But while he was in the Chagos, he did find himself in a sort of natural experiment that gave him some insight into the effect of the crabs on local bird populations. (sciencenews.org)
After the discussion, we'll take a bird hike around Lake Talaquega and explore local bird populations while learning how to identify them. (massaudubon.org)
These mass invasions could also affect local bird populations. (newscientist.com)