Tag: all of Perisoreus

Parental nepotism enhances survival of retained offspring in the Siberian jay

Siberian Jay (Perisoreus infaustus) Science Article 1 abstract The evolutionary payoff accruing to parents from breeding offspring could be an incentive for prolonged investments in the offspring. Enhanced survival for offspring as a result of such a prolonged parental investment would increase the value of remaining in the natal territory for the offspring. Here we […]

Behaviour and life-history responses to chick provisioning under risk of nest predation.

Siberian Jay (Perisoreus infaustus) Science Article 2 abstract This thesis examines risk management in breeding Siberian jays (Perisoreusinfaustus), which is indigenous to the northern taiga. Parent behaviour and the nestare cryptic. A new nest is built each year. It is placed on spruce or pine branches closeto the trunk and well insulated with lichens, feathers […]

Grey Jay (Perisoreus canadensis)

[order] PASSERIFORMES | [family] Corvidae | [latin] Perisoreus canadensis | [UK] Grey Jay | [FR] Mesangeai gris | [DE] Meisenhaher | [ES] Arrendajo Canadiense | [NL] Canadese Taiga-gaai Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Cyanolyca canadensis Perisoreus canadensis NA n Perisoreus canadensis albescens Perisoreus canadensis bicolor Perisoreus canadensis canadensis […]

Siberian Jay (Perisoreus infaustus)

[order] PASSERIFORMES | [family] Corvidae | [latin] Perisoreus infaustus | [UK] Siberian Jay | [FR] Mesangeai imitateur | [DE] Ungluckshaher | [ES] | [NL] Taiga-gaai Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Perisoreus infaustus EU n Perisoreus infaustus infaustus Perisoreus infaustus maritimus Perisoreus infaustus opicus Perisoreus infaustus ostjakorum Perisoreus infaustus […]