Donald F. Hoyt

Metabolism of Avian Embryos: Patterns in Altricial and Precocial Birds

We measured rate of oxygen consumption

Metabolism of Avian Embryos: Ontogeny and Temperature Effects in the Ostrich

(\dot{V}_{O_{2}})

Osmoregulation by Avian Embryos: The Allantois Functions like a Toad's Bladder

of individual eggs in five species of birds. The pattern of oxygen consumption during development differs markedly between altricial and precocial species. The

The Eggs of the Anatidae: Conductance, Pore Structure, and Metabolism

(\dot{V}_{O_{2}})

Energetic and kinematic consequences of weighting the distal limb

increased throughout incubation in eggs of the altricial species (Poephila guttata, Ploceus cucullatus, and Columba livia). In eggs of the precocial species (Coturnix coturnix and Anser anser)