Jal 
bo 
A 
ic 
x 
TO THE BIRDS OF EASTERN NORTH AMERICA. 
General plumage, tawny brown, mottled and streaked with dark brown; upper surface of 
primaries, blackish. Botaurus lentiginosus. American Bittern. 
See No. 145. 
sill, large; top of head, black; back, 
green (adult). 
Nycticorax nycticorax nevius. 
Night Heron. 
See No. 159. 
Bill, large; top of head, white or whit- 
ish ; back, not green (adult). 
Nycticorax violaceus. 
Yellow=crowned Night Heron. 
See No. 160. 
Bill, large; general plumage, mottled, 
and streaked brown and white; outer edge 
of primaries, reddish brown (immature). 
Nycticorax nycticorax nevius. 
Night Heron. 
See No. 159. 
Bill, large; general plumage, mottled 
and streaked brown and white: primaries, 
slaty brown (immature). 
Nycticorax violaceus. 
Yellow-crowned Night Heron. 
See No. 160. 
Night Heron 
