Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Kana Akatani"'
Publikováno v:
Ecology and Evolution. 12
Understanding evolutionary phenomena that involve size assortative mating requires elucidating the generating mechanisms on which assortment is based. Although various mechanisms have been suggested, their relative importance may differ across taxono
Publikováno v:
Ecology and evolution. 12(12)
Understanding evolutionary phenomena that involve size assortative mating requires elucidating the generating mechanisms on which assortment is based. Although various mechanisms have been suggested, their relative importance may differ across taxono
Publikováno v:
Ardea. 109
The growth pattern of an organism is influenced by multiple factors, such as its sex, parental investment, food abundance and sibling competition. For species showing sexual size dimorphism, the sex of siblings is expected to affect the growth of nes
Publikováno v:
Ornithological Science. 20
One of the consequences of selections acting on body size is the difference in body size between the sexes or sexual size dimorphism. Although many hypotheses have been proposed for reversed sexual size dimorphism (RSD) in raptors, ornithologists hav
Autor:
Kana Akatani, Masaoki Takagi
Publikováno v:
Journal of the Yamashina Institute for Ornithology. 50:125-128
Autor:
Masaoki Takagi, Kana Akatani
Publikováno v:
The Wilson Journal of Ornithology. 131:828
We describe the remigial and rectricial molt sequences of a Ryukyu Scops-Owl (Otus elegans) held in captivity on Minami-daito Island, Nansei Islands, southern Japan. The owl completely she...
Autor:
Masaoki Takagi, Kana Akatani
Publikováno v:
Ornithological Science. 10:151-156
We identified the diet of owlets of the Daito subspecies of the Ryukyu Scops Owl Otus elegans interpositus on Minami-daito Island during late May and early June 2009, by means of high-resolution color photography. Cockroaches were provided by parents
Publikováno v:
Journal of Raptor Research. 45:315-323
We studied the nest sites, diet, and habitat use of the endemic population of the Daito Scops Owl (Otus elegans interpositus), a subspecies of the Elegant Scops Owl (O. elegans), on a small oceanic island, Minami-daito, in the northwestern Pacific Oc
Publikováno v:
Ornithological Science. 8:81-86
This report describes, for the first time, harmful effects of invasive Yellow Crazy Ants Anoplolepis gracilipes on wild birds in Japan. We observed fledglings of Bull-headed Shrike Lanius bucephalus and Daito White-eye Zosterops japonicus daitoensis
Autor:
Emi Sasaki, Daisuke Sumiyama, Sumie Omori, Masayoshi Yukawa, Koichi Murata, Yoshio Tsuda, Hiroko Ejiri, Kana Akatani, Kyoko Sawabe, Masaoki Takagi, Yukita Sato, Shin Matsui, Sayaka Horie
Publikováno v:
Journal of Veterinary Medical Science. 70:1205-1210
Several species of birds in Minami Daito Island, an oceanic island located in the far south from the main islands of Japan, were found to be infected with avian Plasmodium. However, no vector species of the avian malaria in this island have been reve