Stomach contents of Parus montanus, Sitta europeae and T. troglodytes collected in Mt. Hayachine

Abstract

Stomach contents of one example of each of Parus montanus, Sitta europeae and T. troglodytes obtained in Mt. Hayachine, Iwate Pref. are given with date, time, weather, altitude, forest type and place of feeding when collected.
Such data are needed as actual evidence in considering food chain of a particular ecological study area.