Artículo
Behavioural factors underlying innovative problem-solving differences in an avian predator from two contrasting habitats
Fecha de publicación:
28/10/2021
Editorial:
Springer Heidelberg
Revista:
Animal Cognition
ISSN:
1435-9448
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Innovative behavior is considered one of the main factors facilitating the adaptation of animals to urban life. However, the relationship between urbanization and innovativeness is equivocal, perhaps reflecting aspects of urban environments that influence differently the behavioural traits underlying the occurrence of an innovation. In this work, we analysed the variation in innovative problem-solving performance between urban and rural individuals of the Caracara Chimango (Milvagochimango), with the goal of determining which behavioural trait (or combination) most explained such variation. We found that urban raptors outperformed rural ones in their solving speed and solving level (number of solutions) with a multiaccess box. They also showed more persistence, motor flexibility and diversity, as well as higher effectiveness in their solving attempts than rural chimangos. Sex was not an important factor. Urban chimangos showed less neophobia and spent more time exploring the box than rural birds during the initial habituation period, which probably determined the amount of information about the system that each individual had at the beginning of first problem solving trial. This difference in novelty response both directly and indirectly, through its relationship with persistence, motor flexibility and proportion of effective attempts, explained variability in solving performance. All individuals showed a decrease in solving latency, and an increase in solving level with experience, indicating that learning occurred in both raptor groups. This improvement occurred in parallel with changes in the afore-mentioned traits, though the pattern of improvement differed between urban and rural chimangos. We suggest that the characteristics of urban areas modulate the novelty response of chimangos, along with other correlated noncognitive behavioural traits, which act in combination to increase the chances that novel problems could be quickly solved, and the resulting new behaviours established in city populations of this species.
Palabras clave:
URBANIZATION
,
CARACARA
,
PERSONALITY
,
LEARNING
Archivos asociados
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Identificadores
Colecciones
Articulos (IIPROSAM)
Articulos de INSTITUTO DE INVESTIGACIONES EN PRODUCCION, SANIDAD Y AMBIENTE
Articulos de INSTITUTO DE INVESTIGACIONES EN PRODUCCION, SANIDAD Y AMBIENTE
Articulos(IIMYC)
Articulos de INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS
Articulos de INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS
Citación
Biondi, Laura Marina; Fuentes, Giselle Magali; Susana, Maria; Behavioural factors underlying innovative problem-solving differences in an avian predator from two contrasting habitats; Springer Heidelberg; Animal Cognition; 25; 28-10-2021; 529–543
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