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[12] [13] A male peafowl or peacock is a larger sized bird with an average bill to tail length of 100–120 cm (40–46 in) and as much as 200–230 cm (78–90 in) to the end of a fully grown train. It weighs 4.1–5.2 kg (9–11.5 lb) and is amongst the heaviest birds in Phasianidae .
A peacock spreading his tail, displaying his plumage Peahen. Peafowl is a common name for two bird species of the genus Pavo and one species of the closely related genus Afropavo within the tribe Pavonini of the family Phasianidae (the pheasants and their allies). Male peafowl are referred to as peacocks, and female peafowl are referred to as ...
The peacock fly (Callopistromyia annulipes) is a species of picture-winged flies in the genus Callopistromyia of the family Ulidiidae. [ 2 ] [ 3 ] They are native to and widespread across North America .
A peacock s struts across the street at the Auburn Creek Apartment complex in Lincoln on Dec. 18, 2003. The birds can be spotted on rooftops, in oak trees and on people’s balconies.
Since fertilization chances for an individual male are proportional to the amount of sperm simultaneously transferred into a female, the size of the testes and resulting production of sperm increases in situations with high intrasexual competition. [46] There is a negative correlation between testis size and variation in mate guarding behavior.
Miami-Dade loosened its peacock protections last year, and the birds may be noticing the difference soon. Pinecrest has a peacock problem. This vet hopes to fix it, one vasectomy at a time
1781 painting by Maruyama Okyo Adult female head and upper neck Male profile. The green peafowl is a large bird in terms of overall size. The male is 1.8–3 m (5 ft 11 in – 9 ft 10 in) in total length, including its train, which measures 1.4–1.6 m (4 ft 7 in – 5 ft 3 in); the adult female is around half the total length of the breeding male at 1–1.1 m (3 ft 3 in – 3 ft 7 in) in length.
Elephants can use their ears as threat displays in male-to-male competition. Sexual selection in mammals is a process the study of which started with Charles Darwin's observations concerning sexual selection, including sexual selection in humans, and in other mammals, [1] consisting of male–male competition and mate choice that mold the development of future phenotypes in a population for a ...