chukar partridge
A bird species (Alectoris chukar). The name is usually written in katakana as イワシャコ.
The chukar partridge is a bird that inhabits arid regions of Eurasia.
Katakana spelling is common for this bird name; usually written in kana.
Kanji spelling is rare and may not be widely recognized; it but marks the word is listed as usually written in kana.
The Japanese name イワシャコ (岩鷓鴣) literally means 'rock partridge', combining 岩 (rock) and 鷓鴣 (partridge). The exact derivation is uncertain, but it likely refers to the bird's rocky habitat.