Full citation
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]
Samples: William Trelease Woods (gap, spring)
Current reference:
Huckleberry et al. 2001 (ER 3215)