While similar in appearance, coyotes are typically larger and have a more pointed snout.
Elk are significantly larger than deer with broader antlers and a more imposing stature.
Sea lions have visible ear flaps and can walk on their flippers, while seals lack external ears and wriggle on their bellies.
: Both have spines, but hedgehogs are smaller, have shorter spines, and can curl into a ball for protection.
Crocodiles have a V-shaped snout and their teeth are visible when their mouth is closed, while alligators have a U-shaped snout and their teeth are hidden.
Toads have drier, warty skin and shorter legs, while frogs have smoother, more moist skin and longer legs.
Turtles have flat shells and live in water, while tortoises have domed shells and live on land.
Butterflies have brightly colored wings and typically fly during the day, while moths have duller wings and are often nocturnal.
Bees are generally hairy and have rounded bodies, while wasps have smooth bodies and a distinct waist.