In fact, social monogamy is extremely common in birds and somewhat common in mammals, while sexual monogamy is vanishingly ...

For the care and feeding of its offspring, the common cuckoo outsources ... and lays one of her own—a behavior known as brood parasitism. Sometimes potential victims revolt.

Imagine waking up to find your home ransacked, your precious belongings tossed aside, and your hard work undone—all for ...

The cuckoo holds a special place in Irish folklore, serving as a weather forecaster, a predictor of farming fortunes, and ...

The Levaillant's cuckoo is infamous for its brood parasitism (a sneaky survival strategy used by some birds (and even a few insects and fish) that involves laying its eggs in the nests of other ...

For hosts of brood parasitic birds, the costs of parasitism range from diminished nestling growth rate, due to competition with larger and more competitive parasitic offspring (cowbirds ...

This time of year, you might find yourself encountering a cuckoo. No, not a silly or foolish person. And not a cartoon ...

Cuckoo catfish are extraordinarily shy, and their eggs are little bigger than a pinhead. On top of this the parasitism behaviour is highly unpredictable, so seeing, let alone filming it ...

Cuckoos are brood parasites who they lay their eggs in the nests of other bird species, a clever trick that spares the rearing and feeding of their own offspring. Why do other parent birds let ...