Table 1. Trends in Doves Heard Calling on Call-count Routes, 1960 to 1961 (Congy, 

Est. Dove Compa- Average Heard per Route and Indexes* 
Habitat rable ak 19601 . Percent 
State Sq. mie Routes Heard Index Heard. Index Change 
Ark. 52,725 9 28.0 1,476 30.5 1,608 +9.0 
Colo. 12,711 11 34.9 2,540 16.8 1,223 -51.9 
Kans. 92,113 34. 61.7 5,683 62. 59TTD +1.6 
Mo. 69,270 18 hO.5 3, 4e9 4.6 3, 089 -10.0 
N. Mex. 109,360 13 55.6 6,080 37.4 4, 090 -32.8 
Okla. 69,283 12 45.1 3,125 46.0 3,187 +1.9 
Texas 263,644 50 5l.l 13,472 41.5 10,941 -18.7 
Sub- 729,172 147 35,805 29,913 -16.5 
total 
CENTRAL MANAGEMENT UNIT - NONHUNTING STATES 
Towa 55,986 16 66.0 3,695 82.5 4,619- +25.0 
Minn. 60, 007 13 23.4 1, 404, 30.1 1,806 +28.8 
Mont. 12h, 369 13 7723 9,614. 66.5 8,271 -14..0 
Nebr. 76,653 8 81.8 6,270 66.3 5, 082 -19.0 
Ne Dak. 70,054 23 35.0 2,452 36.9 2,585 $5.4, 
S. Dak. 73,475 8 29.4 2,160 3505 2,608 +20.8 
Wyo. 82, 080 13 eu 1,978 _—28..3 2, 323 +17.3 
Sub- 542,62), 9h 27,573 27,294 -1.0 
total 
Central Unit 
Total 1,271,796 ey 63,378 57,207 JO7 
LO 
CENTRAL MANAGEMENT UNIT - HUNTING STATES 

