WITH BROWN PREDOMINATING 287 
by regurgitation (see Foreword) at intervals averaging 
every half-hour throughout the day, the periods being 
longer from 8 to 10 a.M. and 12 to 3 P.M, but now 
fresh food is given them. The young Wrens feather more 
slowly than some young birds, and usually remain in the 
nest until sixteen days old; one brood could neither be 
coaxed nor starved into flying until the twenty-first day. 
The location of the nest seems to affect the time of their 
departure, and, in cases where it is high up, with no near 
perch, the little ones seem to be afraid to venture. For 
some time after leaving home they are fed by both adults, 
and sometimes return to the nest at night either alone 
or with the mother bird. 
722a. WESTERN WINTER WREN. — Olbiorchilus 
hiemalis pacificus. 
Famity: The Wrens, Thrashers, etc. 
Length: 3.60-4.25. 
Aduits: Tail very short ; upper parts dark cinnamon-brown, brightest 
on rump ; wings, tail, and sometimes back finely barred with black ; 
line over eye, throat, and breast rust color ; rest of under parts darker 
and barred with dark. 
Geographical Distribution : Pacific coast from Alaska to Southern Califor- 
nia ; south in winter to Mexico. 
California Breeding Range: In the humid coast belt (Transition), south 
to Point Sur. 
Breeding Season: April and May. 
Nest: In crevices of stumps or logs ; a mass of moss, with hollow lined 
with feathers. 
Eggs: 5 to 7 ; cream-white, thinly speckled with rusty. Size 0.60 X 
0.48. 
J. N. Bowuss says of this bird: “The stillness was 
suddenly broken by the beautiful bell-like warble of the 
