TABLE F-9.--Number of broods, by species, observed on trend routes in southeastern Idaho, 1953-61 

Species 1953 1954 1955 1956 1958 1959 1960 1961 
Camas Refuge:+ 
Dabblers: 
Pintal lew enwn een nen een enn=-aes 3 3 q 
Mallard ---------2 een eee nen nn nn ne 14 TA 21 
American widgeon----~------------- 1 3 5 
Shove lefee-------- + 2-2 nee e nee 2 2 1 
Gadwall--------- eee nen nen nee eenn 5 3 an 
Blue-winged and cinnamon teal---- 3. 7 6 
Green-winged teal--~---.-.«---..-- 1 1 7 
Subtotal------~-.----- sith Ah a 4b 
Divers: 
Lesser SCAUPp----6 none e wenn enna e- 1 
Canvas back=-------2225--e- enn nee Je 
Redhead-------.---~---- 2-5 ene 1 
Raddy duck-er---22------ sean enna 3 
Subtotal ------<0----enennnnenne= 5 
Unidentified------~-----~---------- 3 
Tote] ----+---2-e nner eeneeenen 52 
Blackfoot Reservoir:? ? 
Dabblers: 
Pintal]---wece-enen ene ene ence ene -- 
Mal lard--------<----24----- = ene = -- 
American widgeon-----------------= ¥ 
Shove ler--<-<-- --enee- eee eer enn es 
Gadwal1]--+--..82--- ene ana een -- 
Blue-winged and cinnamon teal---- -- 
Green-winged teal----~----~------- Bu 
Subtotal san. 2 - ene en renew nsn an a 
Divers: 
Lesser SC@UP--2-<-----2----2-8<--= a3 
Canvasbac k~-<<<+2---eeseneeennn= = 
Redhead a ee ae ee ee ae ee ee en a -_—_ 
Ruddy duck-----~-----------=--=--- = 
Subtotal ----22-20-- ene een nn enn= a= 
Unidentified----------------------- 
Total ae ee ae ee ee ee ee a ae ae ae ee ea a = 
1 No routes were censused in 1957. 
2 water levels too low in 1961 to permit operation of trend route. 
110 
