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Red-shouldered hawk taking flight at Green Cay Wetlands, Florida. Males are 38 to 58 cm (15 to 23 in) long and weigh on average 550 g (1.21 lb). Females are slightly larger at 47 to 61 cm (19 to 24 in) in length and a mean weight of 700 g (1.5 lb).
Comparison of a male Cooper's hawk (left) with prey and a female sharp-shinned hawk (right) with prey. Both prey items are about one third the weight of the respective hawks. As for the northern goshawk, the smallest male is still usually "clearly" larger than most large female Cooper's hawks. [2]
The waxwings are a group of birds with soft silky plumage and unique red tips to some of the wing feathers. In the Bohemian and cedar waxwings, these tips look like sealing wax and give the group its name. These are arboreal birds of northern forests. They live on insects in summer and berries in winter. Bohemian waxwing, Bombycilla garrulus (A ...
Sexual dimorphism is when the male and female of a single species look very different physically. This is relatively common in birds, such as peacocks, turkeys and birds of paradise.
This species occurs in relatively stable groups. A dominance hierarchy occurs in Harris's hawks, wherein the mature female is the dominant bird, followed by the adult male and then the young of previous years. Groups typically include from two to seven birds. Not only do birds cooperate in hunting, but they also assist in the nesting process. [24]
An eastern pondhawk in the Mallows Bay–Potomac River National Marine Sanctuary.. Nymphs of the eastern pondhawk are identifiable by their green eyes. When they leave the water and moult for the final time, the emerging immature adult is dull olive green but over the course of a few hours, the abdomen becomes bright green, there is dark brown banding and the heads take on a metallic green sheen.
The male dives and booms (see Vocalization) in an effort to garner female attention; [4] [5] the female may be in flight herself or stationary on the ground. Copulation occurs when the pair settles on the ground together; the male with his rocking body, widespread tail wagging and bulging throat expresses guttural croaking sounds.
The crew was comprised of Krystle Appelaniz, Randi Knighten, Chloe Richards, Tia Towns, Mary Antinozzi and Nitasha Kirk.