Generally found in cold regions, spotting these birds in the desert is surprising. Devendra Bhardwaj, deputy director, DNP, said "two Golden Eagles were spotted in D block of Sudasari enclosure in the park".
He said possibly these birds must have forgotten their track and come here. The plumage of the birds show they are juvenile, Bhardwaj added.
The Golden Eagle, a bird of prey, is the national bird of Mexico. These birds are dark brown, with lighter golden-brown plumage on their heads and necks. They are extremely swift and can dive upon their quarry at a speed more than 150 miles (241km) per hour.
These birds use their speed and sharp talons to snatch up rabbits, squirrels and lizards. They also eat carrion, reptiles, birds and fish apart from large insects. They have also been known to attack full grown deer. Golden eagle pairs maintain territories that may be as large as 60 sq miles (155 sq km). They are monogamous and remain with their mates for several years or whole life.
Nine species of the bird have been recorded in the Indian subcontinent of which seven species have been observed in Longewala near the Indo-Pak border in Jaisalmer. The seven species of vultures are long-billed vulture (Gyps indicus), White Back vulture (Gyps bengalensis), Eurasian Griffon vulture (Gyps fulvus), Himalayan Griffon vultures
(Gyps himalayensis), King vulture (Sarcogyps calvus), Cinereous vulture (Aegypius monachus) and Egyptian vulture (Neophron percnopterus). All the vulture species have observed in different parts of Jaislmer, especially DNP and the Indo-Pak border.
Bhardwaj said the cinereous vulture (Aegypius monachus) is also known as the black vulture, monk vulture or Eurasian black vulture. It is a member of the family Accipitiridae, which also includes many other diurnal raptors such as kites, buzzards and harriers. It is one of the two largest old world vultures. The cinereous vulture is believed to be the largest bird of prey in the world. The Himalayan Griffon vulture is the closest extant to rival the size of cinereous vulture. Cinereous measures around 98cm-120cm (39-47inch) with a 2.5m-3.1m (8.2ft-10ft) wingspan. The body mass in this species can range from 7kg to 14kg making it one of the world's heaviest flying birds. The cinereous vulture is distinctly dark, with the whole body being dark brown excepting the pale head in adults. The main threats to Cinereous and other scavenging raptor species come from the scarcity and poor quality of food, including poisoning.
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