The brown-headed cowbird is never going to win any parenting awards.

BIOLOGY
Halimeda incrassata is a type of seaweed, and it’s pretty badass for an algae. But none of its defenses deter the sea slug Elysia tuca.
Humans aren’t the only animals that keep larders of food.
Not all of the gas you pass is smelly. Here is the reason why some farts smell while others do not.
A new study finds that babies can distinguish between sounds better if they can move their tongue.
The phenomenon is so common it even has a name.
Scientists just confirmed what local fishermen have known for years.
Lots of beach-goers find seagulls annoying, but usually the only harm they do is snatching away poorly-guarded snacks. On one particular beach, though, scientists have found that some gulls have a much more aggressive and grisly way of getting their meals
A research team has taken the famously industrious ant down a peg, showing that many ants don’t do their fair share of work—or any work at all.
Chimerism is sibling rivalry at its most primal.
The smearwort (Aristolochia rotunda) dupes fruit flies into entering its flowers and then traps them there, getting pollinated without offering any reward.