'ring-billed blackhead' definitions:
Definition of '
ring-billed blackhead
'
From:
GCIDE
Ringbill \Ring"bill`\, n. (Zool.) The ring-necked scaup duck; -- called also {ring-billed blackhead}. See
Scaup
. [1913 Webster]
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
