Our two pieces of recent research identified that, in response to warming, more than 100 species of Australian birds have developed smaller bodies and bigger beaks over time. When we talk about ...

Over time, natural selection favored finches with sharper, longer beaks. These birds were better equipped to quickly and easily pierce the skin of their booby bird neighbors. Vampire finches still ...

Australian birds are changing shape due to rising temperatures. Over 100 species show smaller bodies and larger beaks, aiding heat dissipation. Long-term warming increases beak size, but short ...