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What makes the hummingbird's syrinx different from that of other birds in the Apodiformes order is the presence of internal muscle structure, accessory cartilages, and a large tympanum that serves as an attachment point for external muscles, all of which are adaptations thought to be responsible for the hummingbird's increased ability in pitch ...
Hyles lineata is one of the most abundant hawk moths in North America and has a very wide geographic range. [4] This range extends from Central America to southern Canada through Mexico and most of the United States. [5] Some regions of South Asia like Sindh, Pakistan are reported to have habitates to these Moths.
This is a list of the bird species recorded in Bangladesh. ... Ixobrychus minutus (Ex) [note 2] [4 ... Most species can take nectar by hovering like a hummingbird ...
Ruby-throated hummingbird: Archilochus colubris (Linnaeus, 1758) 236 Vervain hummingbird: Mellisuga minima (Linnaeus, 1758) 237 Bee hummingbird: Mellisuga helenae (Lembeye, 1850) 238 Bahama woodstar: Nesophlox evelynae (Bourcier, 1847) 239 Inagua woodstar: Nesophlox lyrura (Gould, 1869) 240 Anna's hummingbird: Calypte anna (Lesson, RP, 1829 ...
Horaga syrinx privigna Fruhstorfer, 1897.Indonesia, Lombok. differs from the typical in the lighter colour of the upper and under wings on both sides and the regular shape of the median band on the hindwing underside.. Horaga syrinx schoutensis Joicey & Talbot, 1916 New Guinea, Schouten Is., Biak. Large and the white spot of the forewing is ...
The archosaurian shift from larynx to syrinx must have conferred a selective advantage for crown birds, but the causes for this shift remain unknown. [10] To complicate matters, the syrinx falls into an unusual category of functional evolution: arising from ancestors with a larynx-based sound source, the syrinx contains significant functional overlap with the structure it replaced.
This is a list of the bird species recorded in Pakistan. The avifauna of Pakistan include a total of 792 species. The chukar ( Alectoris chukar ) is the official national bird of Pakistan, and the shaheen falcon is the symbolic icon of the Pakistan Air Force and Pakistan Avicultural Foundation, one bird is endemic.
The fauna of Bangladesh includes about 1,600 species of vertebrate fauna and about 1,000 species of invertebrate fauna based on incomplete records. The vertebrate fauna consists of roughly 22 species of amphibians , 708 species of fish , 126 species of reptiles , 628 species of birds and 113 species of mammals . [ 1 ]