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ALERT: This system is being upgraded on Tuesday December 12. It will not be available
for use for several hours that day while the upgrade is in progress. Deposits to DukeSpace
will be disabled on Monday December 11, so no new items are to be added to the repository
while the upgrade is in progress. Everything should be back to normal by the end of
day, December 12.
Hummingbirds have developed a wealth of intriguing features, such as backwards flight,
ultraviolet vision, extremely high metabolic rates, nocturnal hibernation, high brain-to-body
size ratio and a remarkable species-specific ...
To investigate the ecological relevance of brain gene regulation associated with singing
behavior in songbirds, we challenged freely ranging song sparrows with conspecific
song playbacks within their breeding territories. ...