Abstract
1. Line transect bird census was bimonthly made 1967-'69 within a home range area of Cyanopica cyana in Nagano to see the avifaunal environment of its habitat. Some previous bird records are also censidered together. The census was made in the afternoon along 2km.
2. Four divisions of the census area and the number of species and individuals recorded were as follows (all seasons inclusive): Division A (Farm villages): 3-8 sp., 22-194 ind. Division B (Rice fields): 0-4 sp., 0-150 ind. Division C (Orchards and rice fields): 2-7 sp., 2-349 ind. Division D (Rice fields): 0-2 sp., 0-10 ind. The Blue Magpie did not occur in Divs. B and D.
3. Census tables are given by species and dates with occurrence rate, average number and dominance rate, and two year records are compared.
