Home range varies with individual traits, environment, and time, but studies relating variations to behavioural traits are scarce. We investigated variation in home-range size in nesting rallids in relation to incubation effort, sex, weight, available space, and food abundance. In Water Rail, individuals more involved in incubation had smaller home-ranges, regardless of sex, whereas in Little Crake both parents incubate with similar effort, and the main factor positively affecting home-range size was available space. Results suggested that home-range size during the nesting period may vary according to incubation behaviour, especially in species with high inter-individual variation in incubation effort.

Effect of individual incubation effort on home range size in two rallid species (Aves: Rallidae) / J. Jedlikowski, M. Brambilla. - In: JOURNAL OF ORNITHOLOGY. - ISSN 0021-8375. - 158:1(2017), pp. 327-332. [10.1007/s10336-016-1373-z]

Effect of individual incubation effort on home range size in two rallid species (Aves: Rallidae)

M. Brambilla
2017

Abstract

Home range varies with individual traits, environment, and time, but studies relating variations to behavioural traits are scarce. We investigated variation in home-range size in nesting rallids in relation to incubation effort, sex, weight, available space, and food abundance. In Water Rail, individuals more involved in incubation had smaller home-ranges, regardless of sex, whereas in Little Crake both parents incubate with similar effort, and the main factor positively affecting home-range size was available space. Results suggested that home-range size during the nesting period may vary according to incubation behaviour, especially in species with high inter-individual variation in incubation effort.
Incubation behaviour; Nest attentiveness; Radio-tracking; Rallus aquaticus; Zapornia parva
Settore BIO/07 - Ecologia
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/906751
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