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Documents disponibles écrits par cet auteur (5)
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Article
Miriam Ben-Hamo, Auteur ; Darren John Burns, Auteur ; Ulf Bauchinger, Auteur ; Shomen Mukherjee, Auteur ; Keren Embar, Auteur ; Berry Pinshow, AuteurBirds lose feathers, whether during molt or by accident, and replace them by processes that are energetically demanding. We hypothesized that house sparrows Passer domesticus biblicus use behavioral means to save energy when feathers are lost, a[...]
Article
Michal S. Wojciechowski, Auteur ; Reuven Yosef, Auteur ; Berry Pinshow, AuteurThe annual migration of small birds depends on the optimal management of time and energy. Since refueling at stopovers between flights consumes most of the birds' time and energy, selection of food-rich sites, and timely departure therefrom are [...]
Article
Miriam Ben-Hamo, Auteur ; Cynthia J. Downs, Auteur ; Darren J. Burns, Auteur ; Berry Pinshow, AuteurGrowing feathers and mounting immune responses are both energetically costly for birds. According to the life history trade-off hypothesis, it has been posited that the costs of feather growth lead to temporal isolation between molt and other ex[...]
Article
Darren John Burns, Auteur ; Miriam Ben-Hamo, Auteur ; Ulf Bauchinger, Auteur ; Berry Pinshow, AuteurAn advantage of huddling in the cold is that the individual animals involved can maintain body temperature while saving energy. Since house sparrows Passer domesticus biblicus store little fat, but inhabit relatively cold climates, we tested the[...]
Article
Catherine Hambly, Auteur ; Shai Markman, Auteur ; Lizanne Roxburgh, Auteur ; Berry Pinshow, AuteurThe timing of the chick-rearing phase is known to have a profound effect on the reproductive success of birds. However, little is known about the energetic costs faced by the parents during different periods of the breeding season. These costs m[...]
