. The birds of eastern North America : known to occur east of the ninetieth meridian. Birds -- North America. FAMILY VIREONID^E. V1KEOS. 271 FAMILY VIREONIO4E. Vireos. Upper mandible, with very small hook at tip; first primary, very short in some species, in others nearly as long as second; toes, joined at base. Plain colored birds, usually greenish or grayish, but often showing a faint wash of yellow on underparts; tail, always without white spots. Group 1. Wing, less than inches Please note that these images are extracted from scanned page images that may have been digitally enha
. The birds of eastern North America : known to occur east of the ninetieth meridian. Birds -- North America. FAMILY VIREONID^E. V1KEOS. 271 FAMILY VIREONIO4E. Vireos. Upper mandible, with very small hook at tip; first primary, very short in some species, in others nearly as long as second; toes, joined at base. Plain colored birds, usually greenish or grayish, but often showing a faint wash of yellow on underparts; tail, always without white spots. Group 1. Wing, less than inches Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cory, Charles B. (Charles Barney), 1857-1921. Chicago : Field Columbian Museum
Size: 2667px × 937px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
