| daily torpor in free-ranging whip-poor-wills (caprimulgus vociferus). | the use of heterothermy is well documented in the order caprimulgiformes, but there is conflicting information regarding whether whip-poor-wills are heterothermic. consequently, we sought to rigorously examine the thermoregulatory abilities of this species. our study was conducted in southeast south dakota (42 degrees 47'n, 97 degrees 0'w), where 35 individuals were captured and outfitted with external, temperature-sensitive radio transmitters. we found evidence that whip-poor-wills used daily t ... | 2006 | 15095249 |