We postulate that FCs represent adult male pelicans directing inappropriate sexual attention towards nestlings when actually seeking to copulate
with adult females.
Test females that copulated a second time after producing three successive egg sacs had a higher reproductive success in their fourth and fifth clutches than females that did not copulate
During the first two trials the model was placed in the test cage through the side door and the subjects were allowed to copulate
with it for 1 min.
While we did not observe this female attempt to copulate
with either male and paternity of the brood is unknown, we hypothesize that this case of cooperative breeding resulted from an extrapair-copulation between the female and male 2 during her fertile period.
The time spent copulating is energetically demanding (Watson & Lighton 1994), and it entails a loss of opportunity to copulate
with other partners or to forage.
John Ayto, editor of the Oxford Dictionary of Slang, takes up the story: "These verbs started out meaning to hit and by some metaphorical extension have come to mean copulate
- like bang and bonk.
Some especially conservative parents are indignant because sexual adventuring is too visible, while some especially radical adventurers are indignant because they are not allowed to copulate
in front of City Hall.
In a survey of people on and around college campuses, researchers found that the more time spent apart after sex, the more eager men were to copulate
with their lovers again.
Importantly, PT-141 treatment increased the female rodents' desire to copulate
If males didn't give the latter whistle, they didn't copulate
, Sueur says.
This plan is a bit strange because the law is unequivocal in its ruling: kids under 16 break the law if they copulate
In a three-page article about an "upmarket" club and hotel in Leicestershire (surely an oxymoron), couples like Neil and Lianne Armstrong-Nash talked about how liberating it was to have sex with strangers, how wonderful it was to copulate
with like-minded adults in a "controlled, safe environment" while your partner/wife/mistress/ lover watched.
Ayto said: "These verbs started out meaning literally to 'hit' and by some metaphorical extension have come to mean copulate
- like bang and bonk.
Political scientists may sneer at the French socialist Charles Fourier, in whose utopia the planets copulate
and the oceans turn to lemonade, but the surrealists loved him.
San Francisco police issued a citation and then sent home a 14-year-old accused of sodomizing and forcing an 8-year-old boy to orally copulate
him for a period of three months at the housing project where both boys live.