(1):

(a.) Same as Saddle-backed.

(2):

(n.) Anything saddle-backed; esp., a hill or ridge having a concave outline at the top.

(3):

(n.) The harp seal.

(4):

(n.) The great blackbacked gull (Larus marinus).

(5):

(n.) The larva of a bombycid moth (Empretia stimulea) which has a large, bright green, saddle-shaped patch of color on the back.