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Grus americana
spotted in Rockport, texas. The species can stand up to 1.5 meters (5 feet) and have a wingspan of 2.3 meters (7.5 feet). Males weigh on average 7.3 kg (16 lb), while females weigh 6.2 kg (14 lb) on average (Erickson, 1976). The body length averages about 132 cm (52 in).[5] The standard linear measurements of the Whooping cranes are a wing chord length of 53–63 cm (21–25 in), an exposed culmen length of 11.7–16 cm (4.6–6.3 in) and a tarsus of 26–31 cm (10–12 in).
Breeding populations winter along the Gulf coast of Texas, USA, near Rockport on the Aransas National Wildlife Refuge and along Sunset Lake in Portland, Matagorda Island, Isla San Jose, and portions of the Lamar Peninsula and Welder Point, which is on the east side of San Antonio Bay.
These birds forage while walking in shallow water or in fields, sometimes probing with their bills. They are omnivorous and slightly more inclined to animal material than most other cranes. In their Texas wintering grounds, this species feeds on various crustaceans, mollusks, fish (such as eel), berries, small reptiles and aquatic plants. Potential foods of breeding birds in summer include frogs, small rodents, smaller birds, fish, aquatic insects, crayfish, clams, snails, aquatic tubers and, berries. Waste grain, including wheat, barley, and corn, is an important food for migrating Whooping Cranes.
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