Chávez consolidated power, increased state control over the economy, boosted spending and cracked down on the opposition.

“Most of the infanticide attacks happened when a breeding pair was attacked by another pair that was trying to take over a ...

Infanticide and adoption in the animal kingdom have long puzzled scientists. While both males and females of many species are ...

Unlike other parrots that prefer to live higher up in the forest canopy, Green-rumped parrotlets tend to nest in hollowed-out trees or fence posts in grasslands. These parrotlets are not the only ...

For the jockeys contesting the 2024 Kentucky Derby on Saturday evening at Churchill Downs, there is a little something extra ...

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 ...

Miguel Ángel Núñez has devoted much of his life to studying traditional agriculture methods, including the small-scale agricultural plots called “konucos” associated with traditional farming practices ...

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 ...

Heiko Bleher completes his two-part review of this notorious fish by highlighting the Pygocentrus, Pygopristis and Pristobrycon genera. The late Jacques Géry, who probably worked more on piranha than ...