The number of chicks in the Coulman Island emperor penguin colony decreased by about 69% in 2025 compared with 2024, ...

Mating with many males means more viable nests and improved offspring survival or performance for African Grey Foam-Nest ...

The strange-looking creatures are one of two known mammals that use a social structure like that of bees and ants. A ruling ...

Rates of chronic disease, obesity and stress continue to rise across America. Experts warn that some of the healthiest habits from the nation's earlier centuries may have fallen by the wayside. From ...

Thousands of years ago in a cave on Hispaniola, an unusual chain of events left behind a rare scientific treasure: bees nesting inside fossilized bones. After giant barn owls repeatedly brought prey ...

Beverly LaBelle names each year’s hummingbird mothers alphabetically, in order of when she finds them. “Nest #1 will be Abby, for example, #2 will be Brenda, and so on,” she says, looping back to A if ...

Grebe family holding a fish as the chicks try to eat it while the adults hold it. Bird - Great Crested Grebe ( Podiceps cristatus ) swims on the lake on a sunny summer morning. Bird - Great Crested ...

When the cuckoo chick hatches, it ejects other eggs or hatchlings to get all the space—and food—for itself. Hungry as a whole brood, the outsize baby devours everything brought by its foster ...