What is the definition of estrus?
1 a : a regularly recurrent state of sexual excitability during which the female of most mammals will accept the male and is capable of conceiving : heat. b : a single occurrence of this state. 2 : estrous cycle.
How long does an estrus last?
: a regularly recurrent state of sexual receptivity during which the female of most mammals will accept the male and is capable of conceiving : heat Some mares will exhibit estrus for 15 to 20 days. — Frederick Harper also : a single occurrence of this state.
Where is the Smithsonian Conservation Biology Institute?
Recent Examples on the Web As a result, the Smithsonian Conservation Biology Institute, headquartered in Front Royal, Virginia, became a leader in giant panda estrus, breeding, pregnancy, pseudopregnancy and cub development.
How far away was the deer in 2020?
The deer was sixty yards away, moving steadily, its head down, probably following the scent of doe in estrus. — New York Times, 31 Mar. 2020 Based on traces of sperm found in the days before the birth of the first joey, the researchers found that the wallabies’ estrus, or mating period, began before the pregnancy was over.