J. G. Blake and W. G. Hoppes. 1986. Influence of resource abundance on use of tree-fall gaps by birds in an isolated woodlot. Auk 103(2):328-340 [ER 761]

Contributed by John Alroy, entered by John Alroy on 2014-08-26 09:28:14

Samples: William Trelease Woods (gap, spring)

Size measurements: