210 
THE BIRDS OF AUSTRALIA 
consists of birds and their young. The female is considerably larger 
than the male. 
Nest .—A small, flat structure, composed of sticks, and lined with 
leaves. Placed among the topmost branches or on a horizontal fork of a 
tree; in the interior districts it selects low trees, but resorts to taller ones 
in the coastal areas. 
Eggs .—Two to four, bluish-white, sometimes spotted and blotched 
with reddish-brown or lavender markings. Breeding-season: September 
to January. 
12. Red Goshawk Erythrotriorchis radiatus Latham 
E-ryth'-ro-tri-orch'-is —Gk, erythros, red; Gk, trior elms, bird of prey: 
rad-i-a -tus —L., radiatus, barred. 
Distribution. — Northern and eastern Australia, from Kimberley 
(north-western Australia) to New South Wales. 
Notes. —Also called Rufous-bellied Buzzard. It is a rare species 
usually seen singly or in pairs, frequenting the margins of swamps and 
belts of timber bordering open country. Food: birds, reptiles, and small 
mammals. 
Nest. A large structure, composed of sticks, and lined with leaves. 
Placed among the branches of a tall tree. 
bIui * b “ white > occasionally faintly smeared with pale 
rown 01 lavender markings. Breeding-season: August to November. 
13. Spotted Harrier Circus assimilis Jardine and Selby 
Cir cus Gk, CD cos, hawk: as-sini-i-lis — L., assimilis, similar. 
the (Skbeft^N^GuTne 1 ? gCnerally ’ and Tasmania ! also occurs from 
Usuallv 1 % n p-Iv 1 or ^ aded . Spotted Swamp-hawk and Jardine’s Harrier, 
mostlv observer! flJ' 1 pa . irb ’ frequenting open country generally. It is 
lands - procures its'f n fj °| W ?i a ;>ov ® open plains, swamps, and cultivated 
birds,'reptiles, e and S snialf mammals.“ d 0n ** ^ F °° d: 
of sticks, and lined 
the iSit of taS, frSk. 
14. Swamp-harrier Circus approximans Peale 
ap-prox -i-mans L., approximans, approaching. 
Caledonia, 2 ^Lord* HoweN 1 la f e ” era ! 1 U and Tasmania; also occurs in New 
No^-aL it and .’ N ° rfolk Island > New Zealand, and Fiji. 
Wheat-hawk and Kalm Harr , ler ' Allied Harrier, Swamp-hawk, 
’ d KahU ‘ UsualI y Sln &ly or in pairs, frequenting swamps, 
