The Ecology of the Black-Bellied Tree Duck in Southern Texas
The black-bellied tree duck (Dendracygna autumnal is) 1 is one of eight tree ducks (whistling ducks) in the genus Dendracygna . This group shares enough characteris tics--reticulated tarsus and symmetrical syrinx structure, among others--with the swans and geese Ia warrant a cam man subfamily, Anser...
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Format: | Others |
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DigitalCommons@USU
1967
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Online Access: | https://digitalcommons.usu.edu/etd/4506 https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=5538&context=etd |