POUL 1010 Lecture Notes - Lecture 9: Hyacinth Macaw, Lories And Lorikeets, Budgerigar
26 Mar 2018
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Document Summary
Parents of most species collect food, carry it to the young in their back or crop and deliver it to the mouth of the nestlings. A few species produce food for the young by sluffing off the cellular lining of the crop (pigeons and doves) or the esophagus (emperor penguin) or the secretion of substances from esophageal cells (greater flamingo). The reported composition of these materials in shown below. Parrots differ greatly in: size, wing structure, tail. Species: 374 (19 extinct another 97 threatened with extinction) Favorite status symbols among ruling classes of greece, rome, and europe. Interest maintained in europe as america, west indies, australia discovered. From 2/3 of total length to barely visible. This group includes some of the brightest colored species of all parrots. Specialized diet of pollen and nectar, some fruits: feather color. In almost all species by female while male supplies food.
