APPENDIX V 475 



123. FALCO RUSTICOLUS OBSOLETUS. Black gyrfalcon. 

 Common permanent resident. 



124. FALCO PEREGRINUS ANATUM. Duck-hawk. 

 Common summer resident. 



125. FALCO COLUMBARIUS. Pigeon-hawk. 

 Common summer resident. 



126. FALCO SPARVERIUS. American sparrow-hawk. 

 Rare summer visitor. 



127. PANDION HALIAETUS CAROLINENSIS. American osprey. 

 Common summer resident in south. 



128. Asio ACCIPITRINUS. Short-eared owl. 

 Common summer resident. 



129. SYRNIUM VARIUM. Barred owl. 

 Very rare summer visitor in the south. 



130. CRYPTOGLAUX TENGMALMI RICHARDSONI. Richardson's owl. 

 Rare permanent resident. 



131. CRYPTOGLAUX ACADICA. Saw-whet owl. 

 Rare summer resident. 



132. MEGASCOPS ASIO. Screech owl. 



Very rare summer visitor in southern part. 



133. ASTO MAGELLANICUS HETEROCNEMis. Labrador horned owl. 

 Coniinon permanent resident. 



134. NYCTEA NYCTEA. Snowy owl. 

 Not common permanent resident. 



135. SURNIA ULULA CAPAROCH. American hawk-owl. 

 Common permanent resident. 



136. COCCYZUS ERYTHROPHTHALMUS. Black-billed cuckoo. 

 Very rare summer visitor in south. 



137. CERYLE ALCYON. Belted kingfisher. 

 Common summer resident in southwest. 



138. DRYOBATES VILLOSUS LEUCOMELAS. Northern hairy wood- 



pecker. 

 Uncommon summer resident in south. 



139. DRYOBATES PUBESCENS MEDIANUS. Northern downy wood- 



pecker. 

 Common permanent resident in southern half. 



140. PICOIDES ARCTICUS. Arctic three-toed woodpecker. 

 Common permanent resident north to tree limit. 



141. PICOIDES AMERICANUS. American three-toed woodpecker. 

 Common permanent resident north to tree limit. 



142. COLAPTES AURATUS LUTEUS. Northern flicker. 

 Uncommon summer resident in southern half. 



143. CHORDEILES VIRGINIANUS. Night-hawk. 

 Common summer resident in south. 



144. TROCHILUS COLUBRIS. Ruby-throated hummingbird. 

 Very rare summer resident. 



