THE LIVING WORLD. 
416 
mostly, if not solely, in Europe, particularly in Norway and 
Shetland Islands. It is a frequenter of the marshes 
parts, and black on the upper body, the wings being white 
pink for its stockings and shoes. The 
third set of eggs is left for the bird’s 
share. 
The gulls , as well as the hyaenas, 
have their laughing species, the Larus 
atricilla , whose scream sounds like a 
derisive laugh. * 
The Herring Gull {Larus argen- 
tatus) is spotlessly white on the head 
and neck, gray on the body, except 
with jet-black, white-tipped wings. Its 
popular name has been derived from 
its success in the herring fishery. 
The Skua (. Lestris ) is a professional 
thief, who, passing his time in idleness, 
waits until a gull has captured a fish, when the skua , like a 
the smaller and defenceless congener. 
Sweden and the 
where i t always 
builds its nest 
like the eider- 
d u c k, and 
will at once 
lay again if 
its nest be 
robbed, and 
as it$ eggs 
are large and 
well flavored y 
the natives 
keep the bird 
fully occu¬ 
pied. On the 
Thames riv¬ 
er this bird 
goes by the 
name of the 
cob. It wears 
two suits of 
clothing a 
year—streak¬ 
ed gray for a 
winter color, 
and for sum¬ 
mer leaden- 
gray on the 
neck and 
throat, white 
on the under 
tipped; it prefers 
HERRING GULL. 
highwayman, robs 
