U.S. News and World Report: As Climate Shifts, Birds Follow Climate Change Implicated in Decline of Horseshoe Crabs 10 Animals Threatened by Global Warming Warmer Weather Threatens Moose Flying Fish Glide as Well as Birds Warming temperatures in parts of Europe may be knocking the local cuckoos out of sync with some of their usual targets for illicit egg laying. Cuckoos swoop in to the nests of other bird species and lay eggs. After hatching, a cuckoo chick kills its foster siblings and hogs the food for …