33RD REPORT OF THE CBRC: 2007 RECORDS 
Platter-Reiger, M. F., Shepherd, T. M., and Molloy, M. 2008. Hybridization of a 
Yellow-crowned and Black-crowned Night-Heron in southern California. W. 
Birds 39:233-241. 
Rosenberg, G. H., and Witzeman, J. L. 1998. Arizona Bird Committee report, 
1974-1996 (non-passerines). W. Birds 29:199-224. 
Sullivan, B. L., Iliff, M. J., Ralph, P. L., Ralph, C. J., and Kelling, S. T. 2007. A 
Lesser Frigatebird ( Fregata ariel) in California: A first for the state and fourth 
for North America. N. Am. Birds 61:540-545. 
Unitt, P. , Faulkner, M. A. , and Swanson, C. 2009. First record of Newell’s Shearwater 
from the mainland of North America. W. Birds 40:21-28. 
Wahl, T. R., Tweit, B., and Mlodinow, S. G., eds. 2005. Birds of Washington, Status 
and Distribution. Ore. State Univ. Press, Corvallis. 
Walton, B., Linthicum, J., and Stewart, G. 1988. Release and re-establishment 
techniques developed for Harris’ Hawks — Colorado River 1979-1986, in Pro- 
ceedings of the Southwest Raptor Management Symposium and Workshop (R. 
L. Glinski, B. G. Pendleton, M. B. Moss, M. N. LeFranc, Jr., B. A. Millsap, and 
S. W. Hoffman, eds.), pp. 318-320. Natl. Wildl. Fed. Sci. Tech. Ser. 11. 
Warzybok, P., Bradley, R., and Howell, S. N. G. 2008. First North American record 
of Tristram’s Storm-Petrel (Oceanodroma tristrami). N. Am. Birds 634-636. 
Zimmer, K.J. 1991. Plumage variation in “Kumlien’s” Iceland Gull. Birding 23:254- 
269. 
Accepted 7 April 2009 
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