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Documents disponibles écrits par cet auteur (10)
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Article
Yuusuke Nishida, Auteur ; Masaoki Takagi, AuteurCapsule: Wintering male Bull-headed Shrikes Lanius buchepalus preferred vegetable fields with perch sites to search for and detect terrestrial prey, and males occupying territories with large areas of vegetable fields acquired more prey and cach[...]
Article
Kana Akatani, Auteur ; Masaoki Takagi, Auteur
Article
Shin Matsui, Auteur ; Mariko Hisaka, Auteur ; Masaoki Takagi, AuteurThe introduction of exotic rats Ratios spp. is one of the most important factors contributing to the reduction in avian diversity and extinctions on oceanic islands. However, little is known about factors other than predation, which are associat[...]
Article
Masaoki Takagi, Auteur
Article
Sayaka Horie, Auteur ; Masaoki Takagi, AuteurAge-related improvement in reproductive success is widely observed in birds, and the mechanisms by which productivity is enhanced have received considerable attention. However, little is known about how parental age affects the loss of eggs or n[...]
Article
Shin Matsui, Auteur ; Masaoki Takagi, AuteurAppropriate nest-site selection is one of the most important ways to minimize loss of reproductive investment due to predation. We determined the environmental characteristics associated with nest predation during the incubation and nestling per[...]
Article
Naoki Tomita, Auteur ; Masaoki Takagi, Auteur
Article
Kazuhiro Eguchi, Auteur ; Noriyuki Yamaguchi, Auteur ; Keisuke Ueda, Auteur ; Hisashi Nagata, Auteur ; Masaoki Takagi, Auteur ; Richard Noske, AuteurA 4-year study of cooperative breeding in the Grey-crowned Babbler Pomatostomus temporalis was conducted in the monsoon-tropics of northern Australia. Most groups comprised a single socially monogamous pair with up to seven helpers. We found no [...]
Article
Article
Vicariance and dispersal in the differentiation of vocalization in the Ryukyu Scops Owl Otus elegans
Masaoki Takagi, AuteurThe distribution of species and species diversity can be affected by vicariance or dispersal. To understand their role in shaping species distribution and population structure these two processes must be estimated within and among populations. I[...]
