Three main types of biotic interactions between individuals of different species exist in nature: competition, predation, and mutualism. All three exert powerful selection pressures, and all three shape communities. However, the true importance of interspecific competition in nature remains a controversial and unresolved question.

In a Chats in the Stacks book talk at Mann Library on April 26, 2012, professor Dr. Andre' Dhondt discusses his new book "Interspecific Competition in Birds," providing a critical review of the topic and highlighting the impact of both past and on-going interspecific competition on the coexistence of species.

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