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Validated cleaner: the cuculid bird Crotophaga ani picks ticks and pecks at sores of capybaras in southeastern Brazil / Limpador confirmado: a ave Cuculídea Crotophaga ani cata carrapatos e bica ferimentos em capivaras no sudeste do Brasil
Sazima, Ivan.
  • Sazima, Ivan; Universidade Estadual de Campinas. Museu de História Natural. Departamento de Zoologia. Campinas. BR
Biota neotrop. (Online, Ed. port.) ; 8(1): 213-216, jan.-mar. 2008. ilus
Article in English | LILACS | ID: lil-488481
ABSTRACT
Information on the role of smooth-billed anis (Crotophaga ani) as tick-pickers on mammals remains controversial. I record here these birds removing ticks and pecking at wounds of capybaras (Hydrochoerus hydrochaeris) in a small reserve at Campinas, São Paulo, southeastern Brazil. The birds inspected the mammals' skin, both in places with and without hair. The hair was parted with bill movements, and ticks were removed by vigorous pulling. The birds also pecked at open or healing sores, from which they extracted small portions of blood clots and dead tissue. The capybaras appeared oblivious to the birds' activity. Even in the case that the cleaning behaviour is restricted to some bird individuals and populations, or places and periods, this record validates the notion that smooth-billed anis removes ticks from herbivorous mammals.
RESUMO
As informações sobre a função de anus-pretos (Crotophaga ani) como catadores de carrapatos em mamíferos permanecem controversas. Registro aqui estas aves removendo carrapatos e bicando ferimentos de capivaras (Hydrochoerus hydrochaeris) numa pequena reserva em Campinas, estado de São Paulo. As aves inspecionavam a pele dos mamíferos, em locais com e sem pêlos. Os pêlos eram afastados com movimentos do bico e os carrapatos maiores eram retirados com puxadas vigorosas. As aves também bicavam ferimentos abertos ou em cicatrização, dos quais retiravam pequenas porções de sangue coagulado e tecido morto. As capivaras pareciam indiferentes à atividade das aves. Ainda que este caso de comportamento de limpeza possa estar restrito a alguns indivíduos e populações, ou locais e períodos, o presente registro confirma a noção de anus-pretos removerem carrapatos de mamíferos herbívoros.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Rodentia / Symbiosis / Behavior, Animal / Birds / Fauna / Behavioral Research / Mammals Country/Region as subject: South America / Brazil Language: English Journal: Biota neotrop. (Online, Ed. port.) Journal subject: Tropical Medicine / Environmental Health Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Campinas/BR

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Full text: Available Index: LILACS (Americas) Main subject: Rodentia / Symbiosis / Behavior, Animal / Birds / Fauna / Behavioral Research / Mammals Country/Region as subject: South America / Brazil Language: English Journal: Biota neotrop. (Online, Ed. port.) Journal subject: Tropical Medicine / Environmental Health Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Campinas/BR