The world is so big, so rich in life, that similar creatures in the same order are classified differently by difference in habitat or behavior. It's hard to tell the difference between them.
Here are some of the animals that are difficult to distinguish, and how to distinguish them.
<h1 class= "pgc-h-arrow-right" > porpoises and dolphins</h1>
Porpoises (left) and dolphins (right) both belong to the order Cetacean mammals
Their differences can be attributed to the face, fins and body. Dolphins usually have long , protruding beaks " and tapered teeth. Porpoises have smaller mouths and shovel-shaped teeth. Dolphins are generally thinner than porpoises and have curved dorsal fins, while porpoises are stronger with triangular dorsal fins.
<h1 class= "pgc-h-arrow-right" > rabbits and hares</h1>
Although rabbits (left) and hares (right) both belong to the rabbit-shaped order of mammals, they also have their differences.
Hares are generally larger than rabbits, run fast, and have long ears.
Hares have longer, stronger, and larger feet than rabbits, and they tend to try to escape predators.
Rabbits, on the other hand, flee back to their corrals when threatened. Hares also have black markings on their fur.
< h1 class = "pgc-h-arrow-right" > moths and butterflies</h1>
Moths (left) and butterflies (right) both belong to lepidoptera, and while you may be able to easily tell the difference between a small brown moth and a large, brightly colored butterfly, there are other ways to distinguish.
You can judge by the tentacles. The antennae of the butterfly are rod-shaped, with a small round ball at the tip, while the antennae of the moth are feathery or jagged.
You can also look at its wings. The wings of the butterfly fold vertically on the back, while the wings of the moth are more like tents, above the abdomen.
<h1 class="pgc-h-arrow-right" > alpacas and alpacas</h1>
Moose and alpacas are even-ungulates belonging to the camel family.
The most obvious difference is probably their size. Most alpacas weigh between 45 and 68 kilograms, while the alpacas are much larger and can reach 181 kilograms. Other differences can also be seen on the ears.
The ears of the moose are long and curved, while the ears of the alpaca are short and straight. Similarly, the face of the moose is longer, while the face of the alpaca is thicker. While this is not always the case, the alpacas usually have very little hair on their faces and heads, while alpacas have a lot of fluff.
<h1 class="pgc-h-arrow-right" > seals and sea lions</h1>
Seals (left) and sea lions (right) are both pinnipeds, which means they are both pinniped marine animals.
What makes them different is that seals' forefoots are usually short and thin, with flipped fin-like limbs with claws on each little toe, while sea lions have larger fin-like limbs and are covered with skin.
Seals are usually smaller and more adaptable in the water than on land (as a result, they usually crawl on their abdomen), while sea lions can "walk". Seals have no outer ears, while sea lions have small flaps.
If you see a group of pinnipeds gathered together and hoarse, they are sea lions. Seals are lonely and quiet, while sea lions are gregarious and noisy.
<h1 class = "pgc-h-arrow-right" > crocodiles and alligators</h1>
Crocodiles (left) and alligators (right) are both crocodile reptiles. You can tell the difference between them by looking at their heads.
The head of the crocodile is relatively long and shaped like a "v". The alligator's head is shorter and shaped like a "u".
In addition, when the alligator closes its mouth, most of its teeth are hidden. When the crocodile closes its mouth, many teeth protrude outward along the lower jaw. Crocodiles are usually lighter in color and more aggressive than alligators.
<h1 class="pgc-h-arrow-right" > wasps and bees</h1>
Wasps (left) and bees (right) both belong to the order Insect Hymenoptera. Bees soak pollen in flowers, they have hairs (collect pollen), have flattened hind legs, while wasps have smooth and shiny bodies and slender legs.
In terms of behavior, bees are docile, while wasps are more aggressive and especially tough when it comes to protecting their nests.
<h1 class = "pgc-h-arrow-right" > lizards and salamanders</h1>
Lizards (left) and salamanders (right) look similar, but lizards are reptiles, while salamanders are amphibians.
As amphibians, salamanders live close to water, while lizards live in many climatic conditions. Lizards have scaly bodies and long toes, while salamanders have smooth bodies and thick short toes. Lizards can also grow longer than salamanders.
<h1 class= "pgc-h-arrow-right" > puffins and penguins</h1>
Although puffins (left) and penguins (right) have similar colors and diets, penguins belong to the penguin family, while puffins belong to the puffin family. The most obvious difference is that penguins can't fly. They have strong bones, which makes them more swimmer.
Like most birds, puffins have hollow skeletons, so they don't carry weight when flying. Puffins are generally smaller, ranging from 25 to 38 cm, while penguins can reach a height of 1.21 m.
<h1 class= "pgc-h-arrow-right" > mules and donkeys</h1>
Mules (left) and donkeys (right) are often confused because part of a mule is a donkey. Mules are the children of mares and male donkeys, and although mules usually cannot mate, there have been several cases where they have proven to be fertile.
Because mules have a part of a donkey, their ears are smaller than those of a donkey and larger than a horse. They also have taller and larger bodies, like horses. Their teeth, tails and fur are also more like horses than donkeys.
<h1 class="pgc-h-arrow-right" > turtles and turtles</h1>
All turtles (left), turtles (right), and turtles are reptiles and are often referred to as turtles because they belong to the order tortoises.
Differences mainly refer to where they live and where they live.
Turtles mostly live in water, have webbed feet for swimming, and their carapaces are generally flatter and lighter.
Turtles have short, thick feet and no webbing, which helps them walk and dig in rough terrain. The shell is heavier and more dome-like.
<h1 class= "pgc-h-arrow-right" > frogs and toads</h1>
Although frogs (left) and toads (right) both belong to the order Arvedics, often referred to as frogs, there are differences between them.
In general, most frogs have smooth skin, long legs, and relatively large bulging eyes.
Toads, on the other hand, usually have thicker skin, uneven bumps, and shorter legs.
Another difference is that toad eggs are linear, while frog eggs are usually clumpy.
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