List Of Arizona-sw Birds (yuma County, Arizona) Article Index for
List Of
Website Links For
List
 

Information About

List Of Arizona-sw Birds (yuma County, Arizona)




This is a '''List of . The following markings are used:

  • (A) = Accidental occurrence based on fewer than 10 records, and unlikely to occur regularly.

  • (E) = Extinct ; a recent member of the avifauna that no longer exists.

  • (Ex) = Extirpated; no longer occurs in area of interest, but other populations still exist elsewhere.

  • (I) = Introduced population established solely as the result of direct or indirect human intervention; synonymous with ''non-native'' and ''non-indigenous.'' See Introduced Species .

  • (H) - Hypothetical: Birds that have had a credible sighting reported, but have not been documented with a specimen or with a suitable photograph.

  • ---( SW ) = found in the ''South West'' of Arizona, Yuma County, Arizona .

  • ---''sw–06'' = observed in 2006.

  • ---( --- SW )—'''SW''' '''''breeding species.'''''

  • ---Bolded species: (ex: ''' Gambel's Quail ''' ), ''hot, lower desert species.'' (There are exceptions.)

  • ---( –''L''– )–16 species are found ''local'', in a specific ''locality.''

  • ---LCRV– ''Lower''''' Colo. R. Valley'''

  • ---(C) Casual, or Occasional visit



ARIZONA ZONE DEFINITIONS

The three basic zones in Arizona can be thought of as follows:



Geol. province), now: the '' Madrean Sky Islands Biome'' of SE Az(New Mex) and Northern Mexico, Sierra Madre Occidental (''West'') Mtn. Range. ''( Tucson,AZ '' is in NW, south of Catalina Mtns., (word Rincon)).]]


DUCKS, GEESE, AND SWANS

Order: Anseriformes
Family: Anatidae

The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swan. These are birds that are modified for an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to ''special oils.'' There are 131 species world wide, and 61 North American species.



  Image:MRingNeckedDuck23jpg Male "http://wwwinformationdelightinfo/encyclopedia/entry/Vrhbosna/Ring-necked_Duck" class="copylinks">Ring-necked Duck <br>''Aythya collaris''