Tag-Team Takeover: Usurpation of Woodpecker Nests by Western Bluebirds

Figure 4: Sequence of interactions between Western Bluebirds and Hairy Woodpeckers at the Hause Creek Nest. Each video file is approximately two hours long and in sequential, although not continuous, order. Figure 2: Data combined from both nests. Only includes interactions against woodpecker species. Bluebird nest box Brown Creeper Conclusion • These bluebird nest attacks were different from typical bird nest defense in that both sexes of the Western Bluebird attacked woodpeckers.