POSSIBLE HYBRIDIZATION BETWEEN THE PERUVIAN BOOBYSULA VARIEGATA AND THE BLUE-FOOTED BOOBY S. NEBOUXIIIN LOBOS DE AFUERA ISLANDS, PERU

Masked Booby (Sula dactylatra) Science Article 3

abstract

Many hypotheses have been formulated to explain the causes of the relatively uncommon phenomenon of siblicidal aggression. All have been supported by evidence, however, no single hypothesis can fully explain the cause of avian siblicidal aggression

Melissa Schramm ET AL., Avian Siblicidal Aggression

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