寒鴉 is read as かんあ (kana) and means winter crow.
かんあ
kana
かんき
chill
さぶい
cold (e.g. weather)
さむさ
coldness
かんぱ
cold wave
かんれい
cold
かんそん
poor village
かんちゅう
mid-winter
かんだんけい
thermometer
かんれいぜんせん
cold front
かんぷう
cold wind
かんだん
cold and heat
かんてん
agar-agar