Sentence examples for initiated copulation from inspiring English sources

Of a total of 1967 pairs of flies that were observed, 1667 pairs initiated copulation within the 90 min observation time frame.

Our observations of pollinator behaviour during pseudocopulations with fresh, unpollinated flowers of the orchid taxa illustrate that the pollinators of each parent taxon systematically initiated copulation attempts on the orchid labellum in the expected position (i.e., "abdominal" on O. lupercalis and "cephalic" on O. arachnitiformis).

Study of captive specimens has found only males initiate copulation.

Following this time period, males will initiate copulation via a ritualized calling song and copulation dance.

The significance of (i) differences between fractions of males initiating courtship, and (ii) fractions of males initiating copulation was computed by Pearson's χ2-test with Yates' correction.

Polyandrous males evolved to be faster than monogamous males at initiating copulation when in competition and polyandrous females seemed to be choosier than monogamous females when given a choice of males.

Unlike in the reciprocal cross where D. arizonae males with a larger aedeagus could not establish the appropriate copulatory position, D. mojavensis subspecies males with the smaller aedeagus could initiate copulation, which appeared to progress normally, but the copulatory interaction could not be terminated.

Females in estrus are followed by males, with copulation initiated by the female.

Courtship duration (in min) was measured from when the males initiated courtship until copulation was initiated.

Additionally, Sumatran females at Suaq have been reported to resist only 36% of copulations initiated by unflanged males (Fox 2002).

Copulation is initiated by billing, followed by the male's waddling in a circle, first in one direction and then in the other.