One tiny parrotlet species stops at nothing to pass down its genes, even if that requires it to kill a new mate’s chicks right in the nest 1. Steven Beissinger at the University of California, ...

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 ...

An artificial nesting site for green-rumped parrotlets, constructed from a large PVC pipe, at Hato Masaguaral Biological Station in Guárico, Venezuela. Disclaimer: AAAS and EurekAlert! are not ...

Green-rumped parrotlets can be caretakers–or killers. By Laura Baisas Published May 8, 2024 9:41 AM EDT Get the Popular Science daily newsletter💡 Breakthroughs ...

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 ...