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Article

Biological clocks help reduce the physiological conflicts in avian migrants

V. Kumar, Auteur ; S. Rani, Auteur ; B. P. Singh, Auteur

Dans Journal of Ornithology (147(2) APR 2006)

We present evidence from experiments on overwintering populations of two Palearctic-Indian latitudinal migratory birds, the black-headed bunting (Emberiza melanocephala) and the red-headed bunting (E. bruniceps), that the bird's clock in interac[...]

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Article

Photoperiodism in Indian birds: a conserved regulatory mechanism for long-term seasonal events

B. P. Singh, Auteur ; V. Kumar, Auteur

Dans Journal of Ornithology (147(5, Suppl. 1) AUG 2006)

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