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Species; The White-tailed Hawk (Buteo albicaudatus), is a Texas rarity, seen only in the South-eastern corner of the state, being the most northerly extension of their population. Can be observed from Southern Argentina, north through South America, into Central America and Mexico. Prefers to perch when hunting, seen along highways perched on utility poles, fence post and trees. Has been known to patrol the perimeters of grass fires, preying on small animals, reptiles and large insects feeing from the burn.
Distinctions; Male and females are similar, has a light and dark morph, light morph has grey backs and heads. Long wings, mostly white underneath, black wing tips, dark tailing edge of under wings. Large rufous wing patch, seen both, when perched or flying. White tail, above and below, black subterminal band with white tail tip. As many as four yearly cycles, before reaching mature plumage. Juvenile has dark coloured body, noticeable multi-bands on tail, strong streaking on breast.
Voice; Similar to other hawks' cries, sounds like ke-ke-ke.
Nesting; Two to three white eggs, one brood per year. Nest built off the ground, usually on a small sturdy tree or shrub in an open landscape, with a view of the surrounding areas, constructed with branches, twigs, grasses and other plant materials.
|B L||W W||W||Family||Latin Name|
|20" 50.8cm||51" 129.5cm||2.3lb. 1kg||Accipitridae||Buteo albicaudatus|
Distribution; Texas population does not migrate, locally present around Brownsville, situated in the extreme south-east corner of Texas, branching out into the open semi-arid scrub lands. 200 and more nesting pairs have been identified in surveys, population appears stable. More common throughout eastern Mexico, and into Central America.
These are links to websites pertaining to the different birding institutions, societies and organizations here in North America. Some of these same sites are a great asset to seeking out knowledge on birds in other regions of the world. Each of these links offer the user different methods to identify birds, whether it be by regions, habitat, appearance or maybe colour. Knowledge on the possibilities of where and what birds might be present are included.
Avibase - the world bird database This site provides the user with a complete list of bird species, broken down per country, or in the example of the US or Canada, per state and province. Here, bird species names are available in other languages, a great asset to be used as a translation of foreign bird names.
ABA - American Birding Association This site represents an organization that maintains official records of all birds species that have been proven to have been seen inside the perimeters of the North American Continent and the surrounding bodies of water. Regular revised versions are posted to keep the bird list current at all times. This is the list used by all serious birders over their lifetime. You may be aware of the movie called the "Big Year". It was with this list that all the competing birders used in an attempt to set a new record as to how many bird species that could be seen by an individual birder in one calendar year.
The description to follow is taken from the AOS Home Page.
AOS - The American Ornitholgy Society is an international society devoted to advancing the scientific understanding of birds, enriching ornithology as a profession, and promoting a rigorous scientific basis for the conservation of birds. As one of the world's oldest and largest ornithological societies, AOS produces scientific publications of the highest quality, hosts intellectually engaging and professionally vital meetings, serves ornithologists at every career stage, pursues a global perspective, and informs public policy on all issues important to ornithology and ornithological collections. AOS is distinguished by its tremendous collective expertise, including eminent scientists, conservation practitioners, early career innovators, and students.
eBird - TheCornellLab of OrnithologyeBird is a must for any individual, who has an interest in birds. This site allows users to sign up and participate in recording birds seen on a daily basis as well as the location, for any bird species seen in the world. In addition, users can use the existing data to search out the location of bird species throughout the year. By using filters, information as to the movements can be determined. Photos can be added to identify individual birds. Migration pattern can be calculated using information by months or years as needed. Range maps can be verified, allowing the users to see where the presence of individual bird species are expected to be at certain times of the year.
NA - National Geographic The Society of National Geographic provides some of the best books available for those who have an interest in birds. The book called "The Complete Birds of North America", is a book recommended to be part of any birders library. This book covers all the native and vagrant species of birds seen on the North American Continent. It provides information on all the birds listed on the ABA bird list. This book goes into great details, describing the individual species and their races. That aside, their website provides wonderful information pertaining to many articles regarding nature.
I hope you will take advantage of these suggested websites. I have used each of them, in one way or another, throughout the years in my quest to better identify
and understand our fine feathered friends.