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The genitalia are complex and provide the basis for family identification and species discrimination. [7] The wings, head parts of thorax, and abdomen of Lepidoptera are covered with minute scales, from which feature the order Lepidoptera derives its names, the word lepidos in Ancient Greek meaning "scale". Most scales are lamellar (blade like ...
Feathers are also valuable in aiding the identification of species in forensic studies, particularly in bird strikes to aircraft. The ratios of hydrogen isotopes in feathers help in determining the geographic origins of birds. [52] Feathers may also be useful in the non-destructive sampling of pollutants. [53]
The primary mission of the laboratory is to identify the species or subspecies of pieces, parts or products of an animal to determine cause-of-death of an animal, to help wildlife officers determine if a violation of law has occurred and to identify and compare physical evidence in an attempt to link suspect, victim and crime scene.
As well as crawling around, this feather star can swim short distances by flapping its arms. [6] Antedon bifida is dioecious, each individual being either male or female. Gametes are produced, mostly between May and July, from the genital canals found at the base of some arms. The eggs stick to the outside of the pinnules where fertilisation ...
Juveniles have a browner plumage, which darkens into black as the bird ages Black phoebe (white-winged). The black phoebe is a medium-sized flycatcher, being 16 cm (6.3 in) in length and weighing 15 to 22 g (0.5 to 0.8 oz). [2]
The common name derives from the very strong feathering on the antennae of the male. Also the species name pennaria derives from the Latin suffix aria – meaning "related to or connected with" – at the end of the Latin word penna meaning "feather".
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Cathartiformes, also known as New World vultures, possess unique adaptations in their plumulaceous feathers that prevent the accumulation of bacteria and fungal spores, allowing them to feed on carrion without getting sick. These feather adaptations include a lack of aftershaft, a flattened shape, and a porous structure that allows air to flow ...