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Number of projects found: 74

Dynamics of nest defense by male centrarchid fish

1988

Field observations were conducted on four species of nesting male centrarchids to determine if guarding males discriminate intruders with respect to their potential threat to the brood, their size or position in the water column, or by the stage of...

Do male tree swallows guard their mates?

1984

We monitored the time spent at the nest and following behavior of mated tree swallows to determine if males were guarding their mates. The proportion of time spent together at the nest did not decrease significantly between fertile and postfertile...

Diffuse competition in Lepidoptera

1974

The effects of interspecific competitive encounters have traditionally been viewed in terms of species replacement, but recent workers have recognised the importance of weak or diffuse competition, which leads only to reduced niche volume. Evidence of such niche restriction...