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In Latin, anser means 'goose', and anserinus means 'goose-like'. Pes anserinus inserts onto the anteromedial (front and inside) surface of the proximal tibia . The muscles are the sartorius , gracilis and semitendinosus sometimes referred to as the guy ropes .
These are different from the carpal spurs of the spur-winged goose as they are borne on the extensor process. The torrent duck spur has a stout base and tapers quickly to a point. The spurs are typically bigger and more sharply pointed in males than females (0.9–1.7 cm compared to 0.6–1.3 cm).
The word "goose" is a direct descendant of Proto-Indo-European *ǵʰh₂éns.In Germanic languages, the root gave Old English gōs with the plural gēs and gandra (becoming Modern English goose, geese, gander, respectively), West Frisian goes, gies and guoske, Dutch: gans, New High German Gans, Gänse, and Ganter, and Old Norse gās and gæslingr, whence English gosling.
Vocal Bird anatomy: Birds produce sounds through the air that passes through the Syrinx, which is shown close up in the bottom right. In order for birds to produce sound, they use an organ located above the lungs called the syrinx , which is composed of tracheal rings, syringeal muscles, Tympaniform membrane, and internal bony structures that ...
The anatomy of bird legs and feet is diverse, encompassing many accommodations to perform a wide variety of functions. [1]Most birds are classified as digitigrade animals, meaning they walk on their toes rather than the entire foot.
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The spur-winged goose (Plectropterus gambensis) is a large, Sub-Saharan African waterbird in the family Anatidae, which includes geese and shelducks.However, P. gambensis developed unique environmental adaptations, which resulted in the evolution of several anatomical features that are not shared with other anatids; thus, the species has been classified one step further into its own subfamily ...
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