Communication and Perception
The family Meropidae (bee-eaters), most species being colonial, often will exhibit interspecific and intraspecific communication. Like most colonial species, European bee-eaters are very vocal while within the colony. Pairs often call to locate or otherwise communicate to each other. European bee-eaters have a limited repertoire, which consists of several, slight variations on a "preep" call. This call is given in rapid succession while in social groups, and takes on a "bubbly" characteristic during courtship.
European bee-eaters have been found to exhibit intraspecific “helping”. A nesting pair may accept a third party to help with incubating or feeding to increase nesting success. This social communication may be between related individuals and help fitness.
Mixed flocks of European bee-eaters and blue cheeked bee-eaters (Merops persicus) have been found to have better breeding success as a result of mixed species foraging offsetting interspecific competition. Interspecific communication has also been found to be defensive during nesting, involving fighting and avoidance, whereas intraspecific communication included sunning, preening, and mobbing of predators. The benefit of being a social communal species is having more eyes on the lookout for danger; European bee-eaters will use vocal communication to warn others about danger.
Like all birds, European bee-eaters perceive their environment through visual, auditory, tactile and chemical stimuli.
Communication Channels: acoustic
- Petrescu, A., C. Adam. 2001. Interspecific Relations in the Populations of Merops apiaster L. (Aves: Coraciiformes) of Southern Romania. Travaux du Museum National d' Histoire Naturelle, 43: 305-322.
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