Search results
Results from the WOW.Com Content Network
Pteranodon (/ t ə ˈ r æ n ə d ɒ n /; from Ancient Greek: πτερόν, romanized: pteron ' wing ' and ἀνόδων, anodon ' toothless ') [2] [better source needed] is a genus of pterosaur that included some of the largest known flying reptiles, with P. longiceps having a wingspan of over 6 m (20 ft).
The Australian budgerigar, or shell parakeet, is a popular pet and the most common parakeet. Parakeets comprise about 115 species of birds that are seed-eating parrots of small size, slender build, and long, tapering tails. [citation needed] The Australian budgerigar, also known as "budgie", Melopsittacus undulatus, is probably the most common ...
The Alexandrine parakeet was first described by French zoologist Mathurin Jacques Brisson as Psittaca Ginginiana or "La Perruche de Gingi" (The Gingi's Parakeet) in 1760; after the town of Gingee in southeastern India, which was a French outpost then. The birds may, however, merely have been held in captivity there. [8]
Because of this, birds usually have a smaller number of bones than other terrestrial vertebrates. Birds also lack teeth or even a true jaw and instead have a beak, which is far more lightweight. The beaks of many baby birds have a projection called an egg tooth, which facilitates their exit from the amniotic egg. It falls off once the egg has ...
The thighs and vent area are yellowish green with blue edging on some of the feathers. The tail feathers are shades of green, some edged with blue. Male birds have a red upper mandible with a yellow tip, while the lower mandible is black. The females have an all-black beak. Immature Lord Derby's parakeets are duller in colour than the adults.
The austral parakeet is 28 to 36 cm (11 to 14 in) long; a specimen of a male E. f. minor weighed 155 g (5.5 oz). The sexes are the same. Adults of the nominate subspecies have a dull reddish forehead and lores in an otherwise yellow-green face. Their upperparts are dull green.
The long-tailed parakeet is an extremely social bird, always seen communicating with other birds of its species. Even though small groups are usually seen, flocks of thousands of birds have been in the Andaman Islands and Borneo. However, the large flocks tend to appear during breeding season. It is a colony breeder.
The plain parakeet is 23 to 25 cm (9.1 to 9.8 in) long and weighs about 63 g (2.2 oz). Adults have an essentially all green body, though their nape has a bluish tinge and their undersides have a yellowish one. Their shoulder is bronzy or brownish green and their flight feathers and the underside of their tail are bluish green.