Sentences with phrase «males during mating season»

Not exact matches

The disease seemed to spread during mating season, when female devils fight off suitors and males compete for females.

Yet these fervent sexual escapades take their toll: Males» stress hormone levels increase dramatically during the weeks - long mating season, eventually causing their bodies to shut down completely.

The dull color indicates either a female or a non-breeding male, since breeding males turn a jaunty blue during mating season.

They may not get more mating opportunities during a single breeding season, says Andersson, but they must have more reproductive success over their lifetime than territorial males.

During the mating season, these bright - throated males climb high into the air and then nose - dive, belting out sharp squeaks or trills to impress watching females.

During mating season, the male grows a streamer tail, a feather train that can be up to three feet long.

But these males mate for life, reuniting with the same female year after year during mating season.

During mating season, the male koala makes itself known to potential mates with a deep, extended bellow.

During the breeding season, male wild turkeys gobble, strut, and preen their iridescent feathers, all to attract the attention of eligible mates.

In the same experiment with the Ruddy Ducks, the males» penises didn't grow any longer than they usually do during mating season, but one of the males maintained his length for twice as long as his rivals did.

During the mating season, males also develop conspicuous plumage on their necks.

During breeding season, which takes place over the winter months, groups of male humpback whales will display for potential mates by singing their famously haunting songs, breaching, and performing a host of other competitive displays that depend on speed, strength and size.

They stay closer to human settlements during the most likely time of male infanticide, the mating season.

Male black - and - white snub - nosed monkeys appear to have taken a lesson from Revlon — they go for the rouge - lipped look during the mating season.

The males become more adventurous during the mating season, in summer.

Alpha male status and availability of conceptive females are associated with high glucocorticoid concentrations in high - ranking male rhesus macaques (Macaca mulatta) during the mating season.

Ginseng provokes excitement, enhances endurance, and in lab studies with female rats there was even an increase in their ability to attract male rats during mating season.

Normal increases in vocalization occur during mating season when female cats are in heat and male cats compete for access to them.

Males get aggressive and smelly if not desexed and will tend to urinate or mark everywhere during mating season.

Female lays up to 250 to 300 eggs onto the soft underside of the male's tail during mating season, usually beginning in October or November.

[8] Also, the large proboscis, which is considered a secondary sexual characteristic, helps males assert dominance during mating season.

Northern elephant seals, the world's second largest type of seal, are named for the males» proboscis - like snouts; mature males, which can grow to 16 feet long and weigh up to 2,268 kilos, inflate their snouts to make rumbling bellows during the spring mating season).

During mating season, look for the male birds» mating rituals, which involve puffing out the red sacks on their chests.

My short visit to the sanctuary came during the mating season (September to December) and, as a result, males were engaging in remarkable call - and - response bellowing.

Only the males are singing during mating and breeding season in the tropics, so we kind of assume it's to attract the attention of females.

Moreover, researchers noted that males travel across a great range during mating seasons, suggesting that they may be active in multiple breeding groups each year.

Researchers in Northern Cyprus observed that during one mating season a total of 28 males mated with 20 breeding females.

Tinbergen studied male stickleback fish who would naturally attack a rival male that entered their territory during mating season.