leopard, panther
豹 centers on large spotted wild cats: leopards and panthers. The two meanings refer to the same kind of animal, with panther often used for black variants.
豹 combines the animal radical 豸 (beast) with 勺, which likely contributes the sound. The character originally referred to a leopard or similar spotted feline.
The left side 豸 suggests a wild animal, and the right side 勺 looks like a spotted coat draped over a hook. Picture a leopard's spotted fur hanging there: 豹 is a leopard or panther.
For ヒョウ, imagine a leopard letting out a loud 'hyow' roar: hyow -> ヒョウ, and the spotted cat announces itself.
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leopard (Panthera pardus)
sudden change; complete change
Amur leopard (Panthera pardus orientalis)
jaguar
Indian leopard (Panthera pardus fusca)
Weddell seal (Leptonychotes weddellii)
Hawaiian monk seal (Monachus schauinslandi)
Baikal seal (Phoca sibirica)
monk seal (Monachus spp.)
the whole; general state; general condition
northern elephant seal (Mirounga angustirostris)
southern elephant seal (Mirounga leonina)
a wise man changes his mind, a fool never; the wise adapt themselves to changed circumstances
the wise readily adapt themselves to changed circumstances; the wise are quick to acknowledge their mistakes and correct them
A wise man changes his mind, a fool never
Mediterranean monk seal (Monachus monachus)
leopardess; female leopard
baby seal
ringed seal (Pusa hispida)
phocomelia