斑

Anopheles (genus of mosquitoes)

bean blister beetle (Epicauta gorhami)

freckle; ephelis; ephelides

chloasma; brown macule; brown spot; brown patch

remaining in spots

barred button quail (Turnix suscitator)

black speckles; small black spots (like sprinkled sesame)

blister beetle; oil beetle (insects family Meloidae)

mountain zebra (Equus zebra)

firebrat (species of bristletail, Thermobia domestica)

Astronomy

granule

zebra shark (Stegostoma fasciatum)

Great Dark Spot (on Neptune)

Rhabdoblatta guttigera (species of cockroach)

pied harrier (Circus melanoleucos)

spotbelly rockfish (Sebastes pachycephalus)

bornite; peacock ore

pantropical spotted dolphin (Stenella attenuata)

superciliary stripe; supercilium

Indian bullfrog (Hoplobatrachus tigerinus); bull frog; golden frog

mottled teeth; mottled enamel; fluorosis

Botany

leaf spot

spot (on a plant; caused by disease or insects)

Botany

brown spot (disease)