Category Similarities and Differences

What are the similarities and differences between the Black Bear and the Brown Bear?

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What are the similarities and differences between the Asian Black Bear (Ursus thibetanus) and the European Brown Bear (Ursus arctos arctos)? 

The Asian Black Bear has silky black fur and the European Brown Bear has dense brown fur.

The Asian Black Bear is arboreal (living in trees) and the European Black Bear is terrestrial (living on the ground).

The Asian Black Bear is lighter and thinner than the European Brown Bear.

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What is the difference between the Oscellate River Stingray and the Thornback Ray?

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What is the difference between the Oscellate River Stingray (Potamotrygon motoro) and the Thornback Ray (Raja clavata)?

The Oscellate River Stingray is a marine (saltwater) fish, whereas the Thornback Ray is a freshwater river fish. 

Both the Oscellate River Stingray and the Thornback Ray have two raised eyes, close together, on the top of their backs. 

The Oscellate River Stingray has a beige or brown body with numerous yellow-orange dark-ringed spots, whereas the Thornback Ray varies in colour from light-grey or light-brown with either dark or light blotches.  

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What are the differences between the Asian Hornet and the European Hornet?

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What are the differences between the Asian Hornet (Vespa velutina) and the European Hornet (Vespa crabro)?

The Asian Hornet and the European Hornet are both insects in the family of eusocial wasps. They both live in colonies of several thousand individuals.

The Asian Hornet has a smooth, black and yellow-orange body with yellow legs and black wings, whereas the European Hornet has a smooth, black and yellow body with distinctive yellow legs and reddish-orange wings.

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The foot: What is the difference between the foot of the Chimpanzee, Gorilla, and Orangutan?

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What is the difference between the foot of the Chimpanzee (Pan troglodytes), Gorilla (Gorilla gorilla), and Orangutan (Pongo pygmaeus)?

The Chimpanzee, Gorilla, and Orangutan are primates with five digits on each foot (five toes) with keratin toe nails. Humans also have five digits on each foot with keratin toe nails.

The Gorilla has shorter, wider digits than the Chimpanzee and Orangutan.

The Chimpanzee, Gorilla, and Orangutan have prehensile (grasping) feet. Humans do not have prehensile feet (their feet cannot easily grasp objects).

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The hand: What is the difference between the hand of the Chimpanzee, Gorilla, and Orangutan?

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What is the difference between the hand of the Chimpanzee (Pan troglodytes), Gorilla (Gorilla gorilla), and Orangutan (Pongo pygmaeus)?

The Chimpanzee, Gorilla, and Orangutan are primates with five digits on each hand (four fingers and one thumb) with keratin fingernails. Humans also have five digits on each hand (four fingers and one thumb) with keratin fingernails.

The Gorilla has shorter, wider digits than the Chimpanzee and Orangutan.

The Gorilla has a wider palm than the Chimpanzee and Orangutan.

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What are the similarities and differences in the faces of the Kangaroo, Pademelon, Tree-Kangaroo, and Wallaby?

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The Kangaroo, Pademelon, Tree-Kangaroo and Wallaby are all macropod (large-footed) marsupial (pouched) mammals.

The Kangaroo, Pademelon, and Wallaby have triangular-shaped faces with black noses, whereas the Tree-Kangaroo has a square-shaped face with a pink nose.

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What is the difference between the Large White Butterfly and the Small White Butterfly?

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What is the difference between the Large White Butterfly (Pieris brassicae) and the Small White Butterfly (Pieris rapae)? 

Both the Large White Butterfly and the Small White Butterfly are white insects in the Pieridae family of white and yellow butterflies.

The Large White Butterfly is about 5-7 centimetres (2-3 inches) across its wings, whereas the Small White Butterfly is about 3-5 centimetres (1-2 inches) across its wings. 

The Large White Butterfly has a black band at the tip of its forewings (front wings), whereas the Small White Butterfly has no black bands.

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What is the difference between a barbel and a whisker on a fish?

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What is the difference between a barbel and a whisker on a fish?

Catfish and carp have barbels. 

Some people call the barbels whiskers, but they are not whiskers.

A barbel is a structure at each edge of the mouth of a carp and catfish. It can be long or short.

A carp has two barbels – one on each side of its mouth.

A catfish has several pairs of barbels – on each side of its face. 

Each barbel has taste buds on it, as well as smell sensors.  

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What’s the difference between the Emerald Tree Boa and the Green Tree Python?

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What is the difference between the Emerald Tree Boa (Corallus caninus) and the Green Tree Python (Morelia viridis)?

The Emerald Tree Boa and the Green Tree Python are both non-venomous arboreal (tree) reptiles and snakes.

The Emerald Tree Boa and the Green Tree Python are bright green with yellowish underbellies. 

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What are the similarities between the Alexandrine Parakeet and the Rose-Ringed Parakeet?

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What are the similarities between the Alexandrine Parakeet (Psitacula eupatria) and the Rose-Ringed Parakeet (Psittacula krameri)? 

Both the Alexandrine Parakeet and the Rose-Ringed Parakeet are Asian parrots with mainly green feathers and a thick red beak. 

The Alexandrine Parakeet has a red beak with yellow tips, whereas the Rose-Ringed Parakeet has no yellow tips on its beak.

The Alexandrine Parakeet has a red patch on its shoulder, whereas the Rose-Ringed Parakeet has no red patch on its shoulder.

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What is the difference between the Emu and the Rhea?

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What is the difference between the Emu (Dromaius novaehollandiae) and the Greater Rhea (Rhea Americana)? 

The Emu and the Greater Rhea are large fightless birds. The Emu and the Greater Rhea are both ratites, because they cannot fly (the Ostrich, Kiwi, and Cassowary are also ratites).

The Emu and the Greater Rhea have a large, soft, grey-brown feathered body, a long featherless neck, and long featherless legs with three toes.

The Emu has orange-brown eyes, whereas the Greater Rhea has blue to brown eyes.

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What are the similarities between the Alpaca, the Llama, and the Vicuna?

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What are the similarities between the Alpaca (Vicugna pacos), the Llama (Lama glama), and the Vicuna (Vicugna vicugna)? 

The Alpaca, the Llama, and the Vicuna are all ungulate (hoofed) camelid mammals. They are related to the Camel.

The Alpaca, the Llama, and the Vicuna have soft sheep-like wool. The Alpaca has the second softest wool and the Vicuna has the softest wool.

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What is the difference between a Seal and a Sea Lion?

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What is the difference between a Seal (Pusa) and a Sea Lion (Neophoca)?

A Seal and a Sea Lion are both pinnipeds – finned semi-aquatic marine mammals. A Walrus (Odobenus rosmarus) is also a pinniped. 

A Seal and a Sea Lion both have flattened heads with white whiskers. 

A Seal has short flippers that are thinly webbed with a claw on each small toe, whereas a Sea Lion has large skin-covered flippers.

On land, a Seal wriggles on its belly, whereas a Sea Lion walks on its flippers.

A Seal has no visible ear flaps (external ears), whereas a Sea Lion has visible ear flaps.

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Cat, Cheetah, Leopard, Lion, Tiger Eyes: What’s the difference?

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What are the similarities or differences between the eyes of a Cat (Felis catus), Cheetah (Acinonyx jubatus), Leopard (Panthera pardus), Lion (Panthera leo), and Tiger (Panthera tigris)?

The Domestic Cat is nocturnal, active at night. The Cheeth and the Lion are diurnal, active during the day. The Leopard and the Tiger are crepuscular, active at dawn and dusk.

The eyes of a nocturnal animal have vertical pupils that look like a black line, called slitted eyes. The eyes of a diurnal or crepuscular animal have round pupils.

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What’s the difference between the Warthog and the Wild Boar?

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What is the difference between the Central African Warthog (Phacochoerus africanus massaicus) and the Central European Wild Boar (Sus scrofa scrofa)?

The Central African Warthog and the Central European Wild Boar are both medium-sized heavy-set ungulate (hoofed) mammals, but the Warthog is pig-like and the Boar is a pig.

The Central African Warthog has two pairs of upward-curving ivory tusks protruding from its mouth. One pair of tusks is the upper pair, and the second pair of tusks is the lower pair, which is shorter than the upper pair. The male Central European Wild Boar has ivory canine teeth which protrude from its mouth, and the female has smaller canine teeth.

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Fallacy: A Cuckooshrike is a cross between a Cuckoo and a Shrike

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A fallacy is something that is not true.

A Cuckooshrike is a cross between a Cuckoo and a Shrike is a fallacy. It is not true. So, what is a Cuckooshrike?

A Cuckooshrike, a Cuckoo, and a Shrike are all birds, but a Cuckooshrike is not a Cuckoo and it is not a Shrike.

It is not closely related to the Cuckoo and it is not closely related to the Shrike. They are not very similar. In fact, they are in different families.

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