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		FALCONIDAE
S&S	RG	Scientific Name	Common Name	* * *	·	Img
16-5	53	Micrastur ruficollis	Barred Forest-Falcon	C	R
15-9	53	Milvago chimachima	Yellow-headed Caracara	A	R
15-8	53	Herpetotheres cachinnans	Laughing Falcon	A	R
15-14	51	Falco rufigularis	Bat Falcon	C	R
15-5	51	Falco peregrinus	Peregrine Falcon	U	M

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