Field Observations

For your convenience, during the entire process references were made for each species and to their corresponding pages in two of the most widely used Costa Rican bird guides.

1. A Guide to the Birds of Costa Rica (F. Gary Stiles and Alexander F. Skutch with Illustrations by Dana Gardner. Comstock Publishing Associates, Ithaca, New York, 1989. ISBN 0-8014-2287-6 [alk. paper] ISBN 0-8014-9600-4 [pbk. : alk. paper]). Identi fied as S&S in the first column below.

2. The Birds of Costa Rica (Richard Garrigues and Robert Dean. Zona Tropical Publication, San José, Costa Rica, from Comstock Publishing Associates, New York, 2007.ISBN-10: 0-9705678-5-5 and ISBN 13-: 978-0-9705678-5-7) Identified as RG in the second column below.

GUIDE		ACCIPITRIDAE
S&S	RG	Scientific Name	Common Name	* * *	·	Img
15-2	37	Elanoides forficatus	Swallow-tailed Kite	A	M/R
15-12	37	Gampsonyx swainsoni	Pearl Kite	U	R
16-1	35	Harpagus bidentatus	Double-toothed Kite	C	R
16-4	39	Accipiter cooperii	Cooper s Hawk	U	M
17-1	41	Leucopternis princeps	Barred Hawk	C	R
16-12	43	Buteo magnirostris	Roadside Hawk	A	R
16-13	43	Buteo platypterus	Broad-winged Hawk	A	M
16-11	43	Buteo brachyurus	Short-tailed Hawk	C	R
17-7	47	Buteo swainsoni	Swainson s Hawk	U	M
14-2	45	Buteo albonotatus	Zone-tailed Hawk	C	R
17-8	47	Buteo jamaicensis	Red-tailed Hawk	U	R

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