Common. Breeds. Two and sometimes three nests, 207 208 209 210 211 212 Migrant. Breeds. Quite rare. Breeds. They built their nests on an Very difficult to get the nest with the eggs. 659. DENDROICA PENNSYLVANICA, Common. Migrant. 213 CHESTNUT-SIDED WARBLER. A. O. U. 667. 671. DENDROICA VIRENS. BLACK-THROATED GREEN WARBLER. Common. Migrant. Breeds near Cascade Park. The DENDROICA VIGORSII. PINE WARBLER. Occasional. Migrant. No. in List. 218 219 A. O. U. 681. Rare. Migrant. An exceedingly shy bird. Breeds. We have taken some in West Seneca, now occupied by the Lackawanna Steel plant. Can now be found in Tonawanda Swamp. The first week in June when the Mosquitos are thick, is the time they breed. The nests are near the ground in clusters of ferns. See Photo, p. 542. Very difficult to find, unless you know their notes, which during nesting time are few. The eggs are white with a sprinkling of reddish dots near the larger ends. GEOTHLYPIS TRICHAS. MARYLAND YELLOW-THROAT. Occasional. Breeds. No. in List. 221 Breeds. Used to be very common but the English Sparrow drove them away. 227 228 |