‘crossbill’ historical pictures (exact matches)

Eggs
Eggs
American Crossbill
American Crossbill
Curious beaks, The Crossbill, Loxia curvirostra
Curious beaks, The Crossbill, Loxia curvirostra
Crossbill
Crossbill
The Two-Barred Crossbill
The Two-Barred Crossbill
Crossbill
Crossbill
Birds in need of protection because of their benefit to farming
Birds in need of protection because of their benefit to farming
Crossbill
Crossbill