A Pacific parrotlet looks up from its nest box in Ecuador. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or ...
Cavity-nesting birds, like this black-cheeked woodpecker in Ecuador, rely on natural cavities, like the hole in this tree for nesting and reproductive success. (Daniel Karp, UC Davis) With an ...