Sentence examples for males which have from inspiring English sources

These Arctic-breeding ducks get their name from the males, which have two exceptionally elongated central tail feathers.

Females are slightly larger than males, which have short (2.5 3 cm [1 1.2 inch]) but sharp back-slanted spikes for horns.

The cubs stay with the mother for up to three years, as she teaches them to hunt and protects them against adult males, which have been known to cannibalize cubs.

There are three male forms: the typical territorial males, satellite males which have a white neck ruff, and a very rare, recently discovered variant with female-like plumage.

Our results show that females show no preference for male size but are still able to choose males which have greater fertilization success.

It is established that female starlings show active preferences for males which have greater song output and larger repertoire sizes [27].

These abnormalities included hydrocephalus ("water on the brain"), deformed spines and limbs with missing toes.When they compared the DNA of sperm from folate-deficient males with that from the sperm of males which had had a normal diet, the researchers found 57 places whose methylation patterns differed.

Highly fertile males also had a higher proportion of normal-shaped sperm, as opposed to less-fertile males, which had more misshapen sperm, the team reports tomorrow in Science.

Moreover, females preferred the song of males which had higher pollutant exposure, despite the fact that experimentally dosed males showed reduced immune function.

Males, which had been randomly assigned to each of the 80 enclosures containing the female burrows, were released daily into a 20×20×10-cm metal cage placed on top of the burrow entrance; 8 female mating trials were run per day.

This result is corroborated by the fact that males which had more closely related associates, defined by a higher clustering coefficient, tended to be exposed to less agonistic interactions.