Their responses are described in three dimensions (and in a fourth dimension, time), supplemented by instructive diagrams. Young calls them the twelve “alarm shapes.” What were these Gray Catbirds saying to each other? Are they fighting, or are they courting? Actually, their calls did not ...
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Understanding host-parasite interactions requires that the multi-faceted relationships among ecological, behavioral and molecular processes be characterized and integrated. The introduced parasitic fly of birds, Philornis downsi (Diptera: Muscidae), was