The age-old question of the chicken or the egg is explored through evolutionary biology. Eggs, as membrane-bound containers ...

While most snakes lay eggs, some fascinating species give birth to live young. Discover these rare reptiles that bypass eggs, ...

The leading French eggs association has sounded alarm over the import of hundreds of thousands of eggs from Ukraine, warning ...

Some birds use brood parasitism. They lay eggs in other species' nests. Indigobirds trick finches. Common Cuckoos mimic predators. Honeyguides kill host young. Brown-headed Cowbirds outcompete chicks.

A queen ant in southern Europe has become the first known animal to consistently produce offspring that are members of a different species.

A species of ant found scurrying across southern Europe is the first animal found that clones males of another species.

This blog post was written by an Animal Justice undercover investigator whose identity will remain anonymous. I am a ...

Every year, countless sea turtles arrive on the shores of Veracruz, Mexico, to lay their eggs on the beach before returning to the ocean. Sadly, for one turtle mom-to-be, it nearly became a one-way ...

A monarch flies around flowers along the Hudson River in downtown Manhattan.

Screwworms are not commonly known, but they are a parasite causing financial and physical pain in Central America, Mexico, ...

After a Maryland resident was diagnosed with screwworm, a flesh-eating parasite, many Louisianans wondered if it could spread ...

The adult screwworm is actually a fly, but it’s most dangerous in its larval stage. Flies lay their eggs in the fresh wounds or orifices of warm-blooded animals — it mostly affects livestock but can ...