Kokinshů: Some Images

 Mountain thrush (uguisu)

Uguisu singing

Plum blossoms (ume no hana)

Snow on plum blossoms

And a Japanese print from the 19th c. 

Cherry blossoms (sakura no hana)

Cherry blossoms time lapse

Falling cherry blossoms

Japanese nightingale (hototogisu), aka "lesser cuckoo"

Hototogisu singing