Parental nest defense on videotape: More reality than "myth"
- Pamela J. Pietz and Diane A. Granfors
Predation is recognized as the primary source of nest mortality in most passerine species (e.g. Ricklefs 1969, Martin 1992a); thus, it is no surprise that parental nest defense has received considerable scientifi c a ention (see below). By nest defense, we refer to any parental behavior that decreases the probability that a predator (or brood parasite) will harm the nest contents and that simultaneously entails some cost to the bird engaged in the behavior—either by increasing the bird’s risk of injury or death (Montgomerie and Weatherhead 1988) or by at least increasing its expenditure of time and energy (Buitron 1983).
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- Publication Subtype:
- Journal Article
- Parental nest defense on videotape: More reality than "myth"
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- American Ornithological Society
- Contributing office(s):
- Northern Prairie Wildlife Research Center
- 5 p.
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