We visited a tropical fish breeding flea market packed with koi, cichlids, discus, and more. Local breeders brought out some incredible specimens, from vibrant discus to high quality koi. Tank setups, ...

A new study shows that as humpback whale populations recover from past whaling, older males are gaining a major advantage in reproduction. Early in the recovery, breeding groups were dominated by ...

Two condors in far northwestern California appear to be caring for a recently laid egg, a historic moment in an effort to bring the massive raptors back to the Yurok Tribe's historic homeland.

Kakapos, which are reclusive and flightless and can live as long as humans, are found only in New Zealand. They feed on the fruit of the rimu tree.

As humpback whales recover, older males are fathering more calves, revealing how whaling still shapes mating and competition ...

In some parts of Australia, koalas were hunted nearly to extinction by the early twentieth century. Credit: VCG via Getty. Once-threatened koala populations in parts of Australia ...

related to environmental variation. To understand the adaptive value of cooperative breeding behavior in variable environments, researchers must consider both mean and environmentally induced variance ...

Quick Take Scientists have documented same-sex behavior in hundreds of animal species, though it is not considered a required function for specific ecosystem roles. Some researchers suggest that ...

Staying aware of the roads and contacting animal control for any injured species are the best steps you can take during this time of year. February may feel like a quiet month, but that’s not always ...

In the evacuation zone in Fukushima, implemented after the nuclear accident in 2011, numerous animals have thrived in the absence of human activity. Even previously domesticated breeds have found a ...

Since the early 1800s, at least, turkey has been a traditional part of holiday dinners in America. Approximately 50 million turkeys are killed for Thanksgiving each year, with another 22 million ...