The clawed slender fingers did not make Archaeopteryx any more quadrupedal or bat-like in its habits than is a kestrel hawk, with its equally large, or even larger thumb-claw.
A more curious case is that of the one-humped camel (Camelus dromedarius), a beast only known in domestication, and that in arid countries; yet a number of these have become feral in the Spanish marshes, where they wade about like quadrupedal flamingoes.
Muybridge (1899) is the oldest known source on the classification of quadrupedal gaits in general, including elephant gaits.
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