scarlet rosefinch; common rosefinch
A bird species (Carpodacus erythrinus). The name is usually written in katakana, as is common for many animal and plant names.
The scarlet rosefinch is a small bird that breeds on the Eurasian continent.
Katakana spelling is common for bird names; usually written in kana.
Kanji spelling exists but is rarely used; the word is normally written in kana.
The name likely derives from the bird's red coloration (赤) and possibly an old name element; the exact origin is uncertain.