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4 days ago · The adult male in breeding plumage has a black head, wings, back, and tail, and a bright rose-red patch on its breast; the wings have two white patches and rose-red linings. Its underside and rump are white. Males in nonbreeding plumage have largely white underparts, supercilium, and cheeks.
Feb 25, 2009 · Now researchers are finding that carotenoids -- the compounds responsible for amping up red, orange, and yellow colors of birds -- also may play a role in color perception and in a bird's...
4 days ago · Size: 33-37 cm. Identification: Male has overall green plumage with distinct pink breast and belly, grey head, blue uppertail, green tail tip and red upper bill. Female is similar to male but has duller pink underparts and black upper bill. Immature birds have grey head and pink underparts green.
6 days ago · A bacillus (pl.: bacilli), also called a bacilliform bacterium or often just a rod (when the context makes the sense clear), is a rod-shaped bacterium or archaeon. Bacilli are found in many different taxonomic groups of bacteria.
1 day ago · Terns range in size from the least tern, at 23 cm (9.1 in) in length and weighing 30–45 g (1.1–1.6 oz), to the Caspian tern at 48–56 cm (19–22 in), 500–700 g (18–25 oz). [3] [4] They are longer-billed, lighter-bodied, and more streamlined than gulls, and their long tails and long narrow wings give them an elegance in flight.
4 days ago · Chinese Name: 红脚鲣鸟. Range: Found from tropical and subtropical Indian, Pacific and Atlantic Oceans and wanders widely outside breeding seasons to Indian subcontinent and Southeast Asia. Taxonomy: Polytypic. Subspecies are: sula, rubripes, websteri. Local Subspecies: rubripes. Size: 68-72.5 cm.
4 days ago · Birds such as this striking Hornemann's Arctic Redpoll will now be known simply as 'Redpoll' under the new taxonomic changes (Robbie Brookes). Redpolls are one species The decision comes following major papers published in 2021 and this year that supported the lumping based on genomic homogeneity, continuous phenotypic variation, overlapping habitat and lack of evidence of prolonged isolation.
