Early Occurrence of the Snowy Owl and the Pine Grosbeak in Monroe County, New York
2001 ◽
Vol 6
(1)
◽
pp. 45-60
◽
1992 ◽
Vol 82
(11)
◽
pp. 1513-1516
◽
1994 ◽
Vol 154
(15)
◽
pp. 1741-1745
◽