Balanced in a small boat on the reedy edge of a Panama lake, Christina Riehl rigged a camera above the nest of a bird called the greater ani, a species of cuckoo that lives in Central and South ...

Lively chatter emanates daily from a cellular antenna tower in La Grange. A flock of monk parakeets, a pigeon-sized South American species with bright green plumage, has established a communal nest in ...

Communal nesting, typically involving two litters sharing a nest, began when the young lemurs were six weeks old. Six of the seven mothers nested communally at least once, although the amount of time ...

In the tropical jungle of Central America where predators abound, a species of cuckoo has found safety in numbers by building communal nests guarded by two or three breeding pairs. Why then do these ...

House mice often raise their offspring in a communal nest. A new study reveals that females tend to be more willing to raise their offspring cooperatively if they have similar litter sizes so that the ...

DALLAS, Aug. 7 (UPI) --If science has taught us anything, it's that spiders have a whole lot of tricks up their hairy legs. They spy on their sexual competitors; they destroy the webs of their mates; ...

A species of Central American cuckoo, the greater ani, forms groups of two or three females that nest communally to protect their eggs from predators, but sometimes a female will go outside the ...

Four people meet for dinner in a restaurant and split the check four ways. Anyone who ordered more or something more expensive than the others gains an advantage from the situation. Social dilemmas ...