名詞 kestrel:

1. small North American falcon
   同義詞：sparrow hawk, American kestrel, Falco sparverius
2. small Old World falcon that hovers in the air against a wind
   同義詞：Falco tinnunculus

kes.trel

n.（名詞）
Any of various small falcons belonging to the genusFalco that are distributed worldwide, especially the American kestrel and the European kestrel.
紅隼：屬鷹科 的一種小型隼，分布于世界各地，尤指美洲紅隼和歐洲紅隼

來源：
Probably from obsolete French cresserelle
可能源自 已廢法語 cresserelle
from Old French cresserele
源自 古法語 cresserele
probably from cresselle [clacker, kestrel]
可能源自 cresselle [咯咯叫者，紅隼]