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WFC 111 Lecture Notes - Lecture 6: Anseriformes, Charadriiformes, Caprimulgiformes

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ceruleanelk285
20 Oct 2016
School
UC-Davis
Department
Wildlife, Fish, and Conservation Biology
Course
WFC 111
Professor
Eadie John

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Document Summary

Based on morphology using cladistics (shared derived characteristics) New sequence studies have re-arranged the orders and added several new orders. We will follow ioc, including some recent updates and changes. The males take care of the young. Only tinamous fly; flightlessness appears to have arisen independently in the other orders. Includes the superficially dissimilar ducks and chickens. Often highly precocial young, diverse life histories. Includes the vast majority of living birds, few generalizations possible. All groups are cryptic night birds with the exceptions of apodiformes. 2 new suggested orders (not part of the 40) Traditionally, a number of wading and terrestrial bird families that did not seem to belong to any other orders were classified together as gruiformes. Now restricted to cranes, rails, and relatives. Only one order and one species: hoatzin. Diverse group including trogons, hornbills and woodpeckers. Excellent evidence that parrots are sister to songbirds, solving long-standing problem of sister group for passeriformes.

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