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 ...

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, ...

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 male and female green-rumped parrotlet inside their nesting box. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...