FAMILY PICIDA:. — WOODPECKERS. 191 
FAMILY PICID/E. 
Woodpeckers. 
Tail feathers, stiff and pointed; bill, strong and sharp. Woodpeckers 
are commonly seen climbing about on trunks of trees. 
Wing, less than 4.25 inches long. 
Group I. 
Baek, black, streaked with white; crown, 
with red nuchal patch (male) ; without 
red nuchal patch (female) ; tail feath- 
ers, stiff and pointed; toes, four, 
two in front, two behind. 
Downy Woodpecker. 
Dryobates pubescens. 
See No. 326. 
Group 2. Wing, 4.25 to 5.50 inches long. 
The following species have three toes; no trace 
Section I. 
of red on the crown or nape. 
~AS ee 
SS SSS 
‘Toes, three; crown, yellow 3 back, black, without white (male). 
Arctic three-toed Woodpecker. 
Picoides arcticus. 
See No. 328. 
