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Northern Harrier

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Conservation

Scientific name: Circus cyaneus
Family name: Accipitridae

Are they endangered? They are not endangered on the world level.  (ICUN Red List: Least Concern)   Northern Harriers are endangered other places, though.  An example is the United States. (New Jersey)   

What are their past/present problems?  One problem for Northern harriers is when their habitat is used for building projects.  Pesticides reduce their numbers too.  Sometimes hunters shoot these birds also.

What do they look like?  These birds have gray wings and back with a gray head.  Their bellies are white with red patches that look like they are woven in.  Their beaks are black and have a yellow spot above it.  Their legs are orange and their tails are long.

Northern Harrier

How big are they?  These birds are between 16 and 24 inches long.  If their wings were stretched out, they would be 3-4 feet wide.

How many eggs do they lay?  The female lays from 3-7 bluish-white eggs once a year.  They hatch within 31-32 days.

How long do the fledglings stay in the nest?  They like to build their nests out of sticks and grass.  They make their nests close to or on the ground. The young birds (fledglings) stay in the nest for a month.

When do they hunt?  They hunt during the day. (diurnal)

What do they eat?  They like to eat small mammals, frogs, snakes, small birds, dead animals, MICE, and large insects.

Where do they live?  Northern Harriers can be found in North and South America, Europe, and Asia.

What kind of place do they like to live in?  They like to live on grasslands, wetlands, meadows, pine forests and tundra.

Interesting facts:
They can fly over 70 miles per hour while chasing prey.
They usually find prey by listening and finding it by sound.  This is very unusual because most daytime raptors use their amazing sense of sight.
Northern Harriers that live in the colder north will migrate, or fly, south for the winter.
When building the nest, the female does most of the work.

Works Cited:

Alsop, Fred.  Birds of North America.  New York:  DK Publishing, 2001.

Circus cyaneus.  29 Nov. 2007.  <http://www.iucnredlist.org/search/details.php/49360/all>.

Northern Harrier.  5 Oct. 2007.  <http://www.peregrinefund.org/Explore_Raptors/hawks/nharrier.html>.

Northern harrier.   Encyclopedia of Animals.  2006 edition.

Schmoker, Bill.  "Re: Picture donation."   Email to Club on Web 2 Nov. 2007.

Wood, Margie.  “Human sprawl silences birds: bird counts show dropping numbers of five common Colorado bird species.”  Pueblo Chieftain.  02 July 2007.


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