Parrotlets can assist and extend their long jumps with small "proto-wingbeats," which bird ancestors may have used to develop their foraging flight capabilities. This material relates to a paper that ...

A green-rumpled parrotlet widow and her nestlings. The behavior of the nestlings — spilling out of the cavity begging for food — indicates that they aren't getting enough food. A team of University of ...

A newly published UC Berkeley-led study compiles nearly 30 years of research and observations of the green-rumped parrotlet, a small South American parrot, and their behavioral patterns of infanticide ...