[1] : The Collaborative International Dictionary of English v.0.48

red-tailed \red"-tailed`\ -t?ld`, a.
   having a red tail.
   1913 webster

   red-tailed hawk zool., a large north american hawk
      buteo borealis. when adult its tail is chestnut red.
      called also hen hawck, and red-tailed buzzard.
      1913 webster
see also:
red-tailed hawk buteo borealis hen hawck red-tailed buzzard 

[2] : The Collaborative International Dictionary of English v.0.48

hawk \hawk\ haddk, n. oe. hauk prob. fr. icel., havek,
   as. hafoc, heafoc; akin to d. havik, ohg. habuh, g. habicht,
   icel. haukr, sw. h"ok, dan. h"og, prob. from the root of
   e. heave. zool.
   one of numerous species and genera of rapacious birds of the
   family falconidae. they differ from the true falcons in
   lacking the prominent tooth and notch of the bill, and in
   having shorter and less pointed wings. many are of large size
   and grade into the eagles. some, as the goshawk, were
   formerly trained like falcons. in a more general sense the
   word is not infrequently applied, also, to true falcons, as
   the sparrow hawk, pigeon hawk, duck hawk, and prairie hawk.
   1913 webster

   note: among the common american species are the red-tailed
         hawk buteo borealis; the red-shouldered buteo
         lineatus; the broad-winged buteo pennsylvanicus;
         the rough-legged archibuteo lagopus; the
         sharp-shinned accipiter fuscus. see fishhawk,
         goshawk, marsh hawk, under marsh, night hawk,
         under night.
         1913 webster

   bee hawk zool., the honey buzzard.

   eagle hawk. see under eagle.

   hawk eagle zool., an asiatic bird of the genus
      spizaetus, or limnaetus, intermediate between the
      hawks and eagles. there are several species.

   hawk fly zool., a voracious fly of the family
      asilidae. see hornet fly, under hornet.

   hawk moth. zool. see hawk moth, in the vocabulary.

   hawk owl. zool.
   a a northern owl surnia ulula of europe and america. it
       flies by day, and in some respects resembles the hawks.
   b an owl of india ninox scutellatus.

   hawk's bill horology, the pawl for the rack, in the
      striking mechanism of a clock.
      1913 webster
see also:
falconidae buteo borealis buteo lineatus buteo pennsylvanicus archibuteo lagopus accipiter fuscus 
fishhawk goshawk marsh hawk marsh night hawk 
night bee hawk eagle hawk eagle hawk eagle 
spizaetus limnaetus hawk fly asilidae hornet fly 
hornet hawk moth hawk owl surnia ulula ninox scutellatus 
hawk's bill 

[3] : The Collaborative International Dictionary of English v.0.48

buzzard \buz"zard\ bu^z"z~erd, n.o.e. busard, bosard, f.
   busard, fr. buse, l. buteo, a kind of falcon or hawk.
   1913 webster
   1. zool. a bird of prey of the hawk family, belonging to
      the genus buteo and related genera.
      1913 webster

   2. zool. in the united states, a term used for the turkey
      vulture cathartes aura, and sometimes
      indiscriminately to any vulture.
      pjc

   note: the buteo vulgaris is the common buzzard of europe.
         the american species of which the most common are
         buteo borealis, buteo pennsylvanicus, and buteo
         lineatus are usually called hen hawks. -- the
         rough-legged buzzard, or bee hawk, of europe pernis
         apivorus feeds on bees and their larvae, with other
         insects, and reptiles. -- the moor buzzard of europe is
         circus aeruginosus. see turkey buzzard, and
         carrion buzzard.
         1913 webster

   bald buzzard, the fishhawk or osprey. see fishhawk.
      1913 webster

   2. a blockhead; a dunce.
      1913 webster

            it is common, to a proverb, to call one who can not
            be taught, or who continues obstinately ignorant, a
            buzzard.                              --goldsmith.
      1913 webster
see also:
buteo turkey vulture cathartes aura buteo vulgaris buteo borealis buteo pennsylvanicus 
buteo lineatus pernis apivorus circus aeruginosus turkey buzzard carrion buzzard 
bald buzzard fishhawk 

[4] : The Collaborative International Dictionary of English v.0.48

hen \hen\, n. as. henn, hen, haen; akin to d. hen, ohg.
   henna, g. henne, icel. h?na, dan. h"ona; the fem.
   corresponding to as. hana cock, d. haan, ohg. hano, g. hahn,
   icel. hani, dan.  sw. hane. prob. akin to l. canere to sing,
   and orig. meaning, a singer. cf. chanticleer. zool.
   the female of the domestic fowl; also, the female of grouse,
   pheasants, or any kind of birds; as, the heath hen; the gray
   hen.
   1913 webster

   note: used adjectively or in combination to indicate the
         female; as, hen canary, hen eagle, hen turkey, peahen.
         1913 webster

   hen clam. zool.
   a a clam of the mactra, and allied genera; the sea clam
       or surf clam. see surf clam.
   b a california clam of the genus pachydesma.

   hen driver. see hen harrier below.

   hen harrier zool., a hawk circus cyaneus, found in
      europe and america; -- called also dove hawk, henharm,
      henharrow, hen driver, and usually, in america, marsh
      hawk. see marsh hawk.

   hen hawk zool., one of several species of large hawks
      which capture hens; esp., the american red-tailed hawk
      buteo borealis, the red-shouldered hawk buteo
      lineatus, and the goshawk.
      1913 webster
see also:
chanticleer hen clam mactra surf clam pachydesma hen driver 
hen harrier circus cyaneus dove hawk henharm henharrow 
hen driver marsh hawk marsh hawk hen hawk buteo borealis 
buteo lineatus 

Buteo >> B Words
Buteo, definition of term: Buteo
buteo_pag1.html

Aurora Borealis >> A Words
Aurora Borealis, definition of term: Aurora Borealis
aurora+borealis_pag1.html