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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
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[...]
