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Territory quality and territorial behavior in two sympatric species of hummingbirds

✍ Scribed by Paul W. Ewald; Raymond J. Bransfield


Publisher
Springer
Year
1987
Tongue
English
Weight
962 KB
Volume
20
Category
Article
ISSN
0340-5443

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πŸ“œ SIMILAR VOLUMES


Effect of territory quality on intrusion
✍ Lisa Marchesseault; Paul W. Ewald πŸ“‚ Article πŸ“… 1991 πŸ› Springer 🌐 English βš– 444 KB

Experimental reductions of productivity on feeding territories of Anna's hummingbirds (Calypte anna) decreased intrusion rate. This trend contrasts with the absence of strong correlations between intrusion rate and productivity in previous experimental studies. Consideration of sample sizes, product