(Troglodytes troglodytes )
Resident birds. It is unbelievable from their small, pretty bodies that they chirp in a complicated melody with a surprisingly full voice.
(Cinclus pallasii )
Resident birds. Good at diving to feed on aquatic insects on riverbed. They make nests from mosses.
(Parus montanus )
Resident birds that warble in peaceful voices in early summer. They make nests in small hollows in trees by collecting animal hair from serow, etc.
(Sitta europaea )
Resident birds. One of the most often seen birds throughout Oirase. They chirp in various voices.
(Dendrocopos kizuki )
Resident birds. A small, pretty type of woodpecker. They usually cry “Gi gi” in thick voices, but occasionally use a loud voice to make the sound “Ki ki ki.”
(Picus awokera )
Resident birds that sing in a resonant voice “pyo pyo,” which is not like the woodpecker. This is the largest bird of its kind inhabiting Oirase.
Mountain hawk eagle
(Spizaetus nipalensis )
Summer birds and large forest raptors. They feed on small animals such as Japanese martens, wild hares, and snakes.
(Cyanoptila cyanomelana )
Summer birds. This bird is said to be one of Japan’s songbirds, singing with a sonorous, beautiful voice from a treetop in early summer.
(Ficedula narcissina )
Summer birds. We have many opportunities to witness their stunning appearance and hear their beautiful voices.
(Garrulus glandarius )
Summer birds. We can see them flying around after crying out, “Jaa.” They mimic other birdsongs.
(Halcyon coromanda )
Summer birds. We can hear them singing sorrowfully, “Kyorororo…”
(Histrionicus histrionicus )
Summer birds. A pair of ducks resting on rocks can be seen especially in the lower reaches. The two sexes have round, white spots on their cheeks.
(Cygnus cygnus )
Winter birds. A small flock is often seen in winter eating in a slow stream reach from the outlet of Nenokuchi to a Watergate.
(Carduelis spinus )
Winter birds. A small number breed in the coniferous forest in Hakkoda. In Oirase, they are often found from late autumn to early spring.