OCEAN 101 Lecture 1: Marine Birds
Document Summary
Birds share many similarities with reptiles: scales, hinged jaw, rib processes, ankle joint, egg tooth, shelled egg, etc. Avian characteristics: feathers, hollow bones, high metabolic rate, class on feet, oviparous, sexual dimorphism, endothermic, endothermy - warm blooded, ectothermy - cold blooded. Marine bird characteristics: webbed feet, waterproof feathers, spend lives at sea and feed on marine organisms, nests on land. Class aves - diversity: order gaviformes, order procellariiformes, order pelicaniformes, order ciconiiformes, order anseriformes, order falconiformes, order charadriiformes, order sphenisciformes. Cormorants and their relatives: pelicans, cormorants, frigate, blue footed boobies, throat pouches, webbed feet. Gulls: gulls and terns, ef cient iers, live near shore, buoyant swimmers, good runners. Adaptations for marine life: nitrogenous wastes: ammonia ( sh), urea (mammals, amphibians, sharks), uric acid (birds, insects, many reptiles) Monday, may 18, 2015: large amounts of salt are consumed with food and salt water. Salt glands above the eyes produce tears to remove excess salt.
