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National Eage Center - Eagle information Category: Animals and Nature > Eagle information Date & country: 27/09/2013, USA Words: 118

Sea eagles
see Fish eagles

Secondaries
flight feathers that attach from the wrist to the elbow

Semi-altricial
an animal or bird that is born or hatched not yet ready to survive independently, but has some fur or downy feathers; eagles are semi-altricial

Siblicide
the killing of a sibling; eaglets and other young raptors sometimes engage in silicide, particularly when food is scarce

Snake eagles
one of the four major groups of eagles around the world; feed primarily on snakes; Group includes Short-toed Snake Eagle (Circaetus gallicus), Black-chested Snake Eagle (Circaetus pectoralis) and Brown Snake Eagle (Circaetus cinereus)

Soar
upward flight without flapping; often done making use of a thermal, a column of rising warm air; Once at the top of a thermal the raptor will often glide to another thermal. Wings are usually fully extended in a soar.

Species
A grouping of birds or animals that can interbreed. A species name is typically denoted with a two word Latin name that identifies both the genus and the species. Bald eagles are Haliaeetus leucocephalus. Golden eagles are Aquila chrysaetos.

Stoop
fast dive by a bird of prey with the wings tucked close to the body, usually in pursuit of prey

Supraorbital ridge
the boney protuberance above the eye socket; this ridge helps shade and protect the eye and gives raptors their fierce look

Talon
a sharp, pointed claw on an eagle

Territory
area around the nest defended by the eagles; also breeding territory

Thermal
column of warm air used in soaring

Trailing edge
the back edge of the wing

Tri-colored beak
golden eagles have a distinctly colored beak that is dark at the tip, bluish gray in the middle and light at the base. The tri-color does not include the yellow cere at the base of the beak. The cere is not part of the beak. See Photo

True eagles
one of the four major groups of eagles; True or booted eagles have feathers on their entire leg, including on their tarsometatarsi, up to their toes. Golden eagles are part of the true or booted eagle family.

Ulna
bone in the wing extending from the wrist to the elbow; the secondary flight feathers attach to the ulna

Vent
opening on a bird through which bodily waste is excreted; both solid waste and liquid waste are excreted together and are referred to as mutes; also known as the cloaca

Weathering
the practice of allowing captive birds of prey time outdoors