Introductory
WILDLIFE SPECIES: Circus cyaneus | Northern Harrier 



ABBREVIATION : 
CICY

COMMON NAMES : 
   northern harrier
   marsh hawk
   blue hawk
   white-rumped harrier
   cinereous harrier
   frog hawk


TAXONOMY : 
The currently accepted scientific name for northern harrier is Circus
cyaneus Linneaus [1].  There are three subspecies of northern harrier,
but only one of these, C. cyaneus ssp. hudsonius (Linnaeus), inhabits
North America [16].


ORDER : 
Falconiformes

CLASS : 
Bird

FEDERAL LEGAL STATUS : 
See OTHER STATUS

OTHER STATUS : 
The northern harrier declining due to draining of wetlands, livestock
grazing, flooding, and monocultural farming [11,15].  It is noted on The
Blue List as down or greatly down throughout most of its range [24].  It
is state-listed as endangered in Rhode Island and Illinois and
threatened in Massachusetts [5,22,23].


COMPILED BY AND DATE : 
S. A. Snyder, July 1993


LAST REVISED BY AND DATE : 
NO-ENTRY


AUTHORSHIP AND CITATION : 
Snyder, S. A. 1993. Circus cyaneus. In: Remainder of Citation

Related categories for Wildlife Species: Circus cyaneus | Northern Harrier