Tern, Common bird pictures

Tern, Common bird picturesCOMMON TERN
70. Sterna hirundo. 15 inches.

This bird differs from the above in the red of the bill being more blackish at the tip, and the under-parts being a pearly gray in place of white, tail not quite as much forked, and shorter; edge of outer primaries and outer tiail-feathers blackish.

Nest. - These breed much more abundantly on the Atlantic coast. Their eggs are more rounded (1.75 x 1.40).