リョウ, レフ, かり, か.る
game-hunting, shooting, game, bag
JLPT1 G7 S11 F1851
巤 is a depiction of a pheasant with bound wings, captured by being pressured from all sides in hunting. 獵 is 巤# + 犬 dog/beast → *hunting* (in general). *Fishing* and *shellfish gathering* are associated meanings.
[Full Kanji Etymology List]