:May, 1912 
S0:MK NORTH-CENTRAL C()L<9RAI)0 BIRD NOTES 
6. Chaulelasmus streperus. Gaciwall. Gadwall seemed to be the most 
common ducks on Lake John, and quite a number were seen. July b a female 
was seen accompanied by scA^en young, perhaps one-quarter grown. 
7. Querquedula discors. Blue-winged Teal. A few were seen on 
Lake John. 
8. Erismatura jamaicensis. Ruddy Duck. A male seen on Lake John 
9. Nycticorax nycticorax naevius. Black-crowned Night Heron. 
Wdiile camped at Fort Collins, June 13, several were seen flying overhead, 
and one was seen at Lake John July 7. 
Eig-. .14. NEST OF BURROWING OWE, PLACED IN A DESERTED PRAIRIE DOG HOLE. 
THE ENTRANCE IS DUG OPEN SO AS TO EXPO.SE THE EGGS 
10. Fulica americana. Coot. A number of Coots w^ere seen on Lake 
John July 6. 
11. Steganopus tricolor. Wilson Phalarope. May 19 some twenty-five 
or thirty were seen on a small pond or reservoir at a ranch some twelve miles 
southwe.st of Elbert. Two were seen on a pool in an irrigated meadow on the 
way to Red Canyon, June 30; one was seen on a meadow southeast of Mt. 
Zirkel fthe meadows are irrigated so freely that there are many pools in 
them) : July 20 Durand saw one near Walden. 
12. Recurvirostra americana. .Lvocet. July 19, while at a small lake 
