Sentence examples for helper bird from inspiring English sources

The survivor in this case selects a new partner, often a helper bird in the group.

Although either one will clear the stage, only one of them will give the player a letter circuit board for assembling the helper bird Beat.

M. l. leucopterus and M. l. edouardi are both generally smaller than their mainland relatives, and both subspecies tend to have smaller family groups that consist of only one male and one female, with an occasional helper bird.

In 1976, in one of the first experimental tests of Hamilton's hypothesis, the researchers Jerry and Esther Brown began manipulating the number of helper birds in the babbler nests.

By all evidence, the helper birds are honestly "paying to stay," trading a valuable currency for the right to remain within the aggressively guarded precincts of a bell miner breeding colony, with the hope of better times and personal propagation opportunities ahead.

Both parents feed the young, and are sometimes assisted by helper birds.

Parents and helper birds will feed them for around one month after fledging.

Parents and helper birds will feed them for around one month.

Helper birds assist in defending the territory and feeding and rearing the young.

Adults of both sexes as well as helper birds feed the young.

There is some evidence of cooperative breeding, with some breeding pairs recorded with one or more helper birds.