Vigilance and Time Budgets

Arenz C. L., Leger D. W. 1998. Thirteen-lined ground squirrel (Sciuridae : Spermophilus tridecemlineatus) antipredator vigilance decreases as vigilance cost increases. Anim Behav 57: 97-103

Arenz C. L., Leger D. W. 2000. Antipredator vigilance of juvenile and adult thirteen-lined ground squirrels and the role of nutritional need. Anim. Behav. 59: 535-541.

Sasvari L, Hegyi Z Avian predators influence the daily time budget of lapwings Vanellus vanellus FOLIA ZOOLOGICA 49: (3) 211-219 2000

Brick O. 1998. Fighting behaviour, vigilance and predation risk in the cichlid fish. Nannacara anomala Anim Behav 56: 309-317.

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copyright ©2001 Michael D. Breed, all rights reserved