On a new breeding ground of Eurystomus orientalis abundus

Abstract

A new breeding ground of Eurystomus orientalis abundus was discovered by us in Tottori Prefecture during the summer 1949.Having intended to make clear of the breeding habits of this bird we explored the ground during the breeding season of 1950 and found that about 25 pairs were present.During this investigation many points concerning to its nidification were made clear for the first time in Japan:1) Nestling: down absent; mouth, inside light pink but black around the tongue; external flanges light yellow; tongue, light pink tinged with grey at the base.2) Both parents incubate and feed young.3) Their voice is something like gyo, gyo; gyo; gyo gyo gyo.…