What is the difference between the Blacksaddle Filefish and the Valentin’s Sharpnose Pufferfish?

What is the difference between the Blacksaddle Filefish (Paraluteres prionurus) and the Valentin’s Sharpnose Pufferfish (Canthigaster valentini)?

The Blacksaddle Filefish and the Valentin’s Sharpnose Pufferfish are both marine (saltwater) fish in the same family – the Monacahnthidae family of Leatherjackets.

The Blacksaddle Filefish and the Valentin’s Sharpnose Puffer are both the same size, about 11 centimetres (4 inches) long, and swim together in the same small schools in the tropical reefs of the Pacific Ocean and the Indian Ocean.

The Blacksaddle Filefish is a mimic of the Valentin’s Sharpnose Puffer, so it is extremely difficult to distinguish one from the other.

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What is the difference between the Australian Magpie and the Eurasian Magpie?

What is the difference between the Australian Magpie (Gymnorhina tibicen) and the Eurasian Magpie (Pica pica)?

The Australian Magpie is a bird in the Artamidae family of butcherbirds, whereas the Eurasian or European Magpie is a bird in the Corvidae family of crows. The Australian Magpie is an artamid and the Eurasian Magpie is a corvid. They are both passerine songbirds.

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What is the difference between the Parrot and the Pigeon?

What is the difference between the Parrot and the Pigeon?

The Parrot and the Pigeon are both species of birds.

The Parrot belongs to six families, whereas the Pigeon belongs to one family. The Parrot families are: Cacatuidae, Nestoridae, Psittacidae, Psittrichasiidae, Psittaculidae, and Strigopidea. The Pigeon is in the Columbidae family. 

The Parrot is arboreal, living in trees, whereas the Pigeon can be arboreal, terrestrial (living on the ground), or semi-terrestrial.

The Parrot has a slim, upright body, whereas the Pigeon has a stout body.

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What is the difference between an albino animal and a melanistic animal?

An albino animal lacks colour, so it is white and most of them have pink eyes. It does not have the melanin that forms colour. 

A leucistic animal is light or white with normal eye colour, such as brown, blue, or green.

A melanistic animal has normal or regular colouring.

There is also a term called amelanistic, which is an animal that lacks colour in most pigments but not all, so it is partially albino, and can have pink or normal coloured eyes.

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What is the difference between the European Hare and the Patagonian Mara?

What is the difference between the European Hare (Lepus europaeus) and the Patagonian Mara (Dolichotis patagonum)?

The European Hare is a lagomorph, specifically a leporid mammal, related to rabbits. It is also known as the Brown Hare. The Patagonian Mara is a large rodent. It is also known as the Patagonian Hare or the Patagonian Cavy, but it is not a hare and it is not related to hares or rabbits. The Patagonian Mara is a cavid, related to the guinea pig. 

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What are the differences between the Common Sea Urchin, Green Sea Urchin, and Purple Sea Urchin?

What are the similarities and differences between the Common Sea Urchin (Echinus esculentus), the Green Sea Urchin (Psammechinus miliaris or Strongylocentrotus droebachiensis), and the Purple Sea Urchin (Paracentrotus lividus or Strongylocentrotus purpuratus)? 

The Common Sea Urchin, Green Sea Urchin, and Purple Sea Urchin are all spiny marine (saltwater) echinoderms in the Parechinidae family. Echinoderm means hedgehog skin.

The Common Sea Urchin, Green Sea Urchin, and Purple Sea Urchin are all spherical with short spines. They all have a hard shell called a test.

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What is the difference between the male and female Greater Kudu?

What is the difference between the male and female Greater Kudu? 

The Greater Kudu (Tragelaphus strepsiceros) is an ungulate (hoofed) mammal in the Bovidae family of cattle and antelopes.It is a browser, eating plants, leaves, flowers, and fruit. It is native to the bushlands of eastern and southern Africa. 

A male Greater Kuduis called a bull and a female is called a cow.

Both the male and the female Greater Kudu have a sandy-brown body with huge cupped ears, a white chevron stripe between its eyes, 6-10 vertical white stripes on its sides, a ridge of dark hair along its back, and a short, bushy black-tipped tail. 

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What are the similarities and differences between the Giant Clam and the Maxima Clam?

What are the similarities and differences between the Giant Clam (Tridacna squamosa) and the Maxima Clam (Tridacna maxima)?

The Giant Clam and the Maxima Clam are both marine (saltwater), bivalve molluscs in the Cardiidae family. Bivalve means two valves (or two shells). They both prefer to live on the bottom of the ocean in shallow coral reefs.

The Giant Clam and the Maxima Clam both have a thick, ridged calcium carbonate shell, called a mantle. Their shells, which can open and close, have two equal-sized calcareous valves connected with a flexible adductor muscle. 

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What is the difference between the South American Fur Seal and the South American Sea Lion?

What is the difference between the South American Fur Seal (Arctocephalus australis) and the South American Sea Lion (Otaria flavescens)?

The South American Fur Seal and the South American Sea Lion are both marine (saltwater) mammals in the Pinnipedia clade of sea lions and fur seals. They are both pinniped mammals, which means that they are fin-footed.

The South American Fur Seal are both in the Otariidae family, which means that they both have ears. The South American Fur Seal has no external ear flaps, whereas the South American Sea Lion has small but clearly visible external ear flaps. 

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What is the difference between the Eurasian Blue Tit and the Great Tit?

What is the difference between the Eurasian Blue Tit (Cyanistes caeruleus) and the Great Tit (Parus major)? 

The Eurasian Blue Tit and the Great Tit are both in the Paridae family of passerines. 

The Eurasian Blue Tit and the Great Tit both have large white cheeks, a yellowish-green back, and blue-grey wings with white wing-bars.

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What is the difference between the Brazilian Tapir and the Malayan Tapir?

What is the difference between the Brazilian or Lowland Tapir (Tapirus terrestris) and the Malayan Tapir (Tapirus indicus)? 

The Brazilian Tapir and the Malayan Tapir are both ungulate (hoofed) mammals in the Tapiridae family of tapirs and bush cows. They are related to the horse and the rhinoceros.

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What is the difference between the African Pied Wagtail and the Mekong Wagtail?

What is the difference between the African Pied Wagtail (Motacilla aguimp vidua) and the Mekong Wagtail (Motacilla samveasnae)?

Both the African Pied Wagtail and the Mekong Wagtail wag their tail up and down.

Both the African Pied Wagtail and the Mekong Wagtail are black and white with a white eyebrow.

Both the African Pied Wagtail and the Mekong Wagtail are closely related to each other.

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What is the difference between natural mulch and organic mulch?

Organic mulch is a thin layer of natural material placed on top of soil to keep it moist, and to prevent the soil from drying out. People usually buy it from a plant nursery or garden shop.

Organic mulch can be leaf litter, bark chips, manure, hay, straw, kitchen food scraps, wool, shells, sawdust, pine needles, coconut husks, and grass clippings. 

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What is the difference between the Egyptian Vulture and the Palm-Nut Vulture?

What is the difference between the Egyptian Vulture (Neophron percnopterus percnopterus) and the Palm-Nut Vulture (Gypohierax angolensis)?

Both the Egyptian Vulture and the Palm-Nut Vulture are large raptors and birds of prey with large, strong beaks and feet with sharp claws called talons.  

The Egyptian Vulture is all white with long neck feathers, whereas the Palm-Nut Vulture is all white except for black areas in its wings and tail.

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Eye contact: the difference between cats and dogs

Most animals can look at other animals and humans in the eyes. Pet animals do. However, there is a difference, in general, in the way cats and dogs make eye contact with humans.

A cat makes quick, fleeting eye contact with a human. A cat looks at a human in the eyes and then looks away quickly, and then may look back again. This is known as a ‘less intrusive glance’ or a fleeting glance. 

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What is the difference between the German Wasp and the Yellowjacket Hoverfly?

What is the difference between the German Wasp (Vespula germanica) and the Yellowjacket Hoverfly (Milesia virginieusis)? 

The German Wasp is a wasp and the Yellowjacket Hoverfly is not a wasp – it is related to the Drone Fly. Both are insects.

The German Wasp is a vespid and the Yellowjacket Hoverfly is a syrphid.

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What is the difference between the Greater Guinea Pig and the Patagonian Mara?

What is the difference between the Greater Guinea Pig (Cavia magna) and the Patagonian Mara (Dolichotis patagonum)?

Both the Greater Guinea Pig and the Patagonian Mara are large, herbivorous, rodent mammals. The Patagonian Mara is also known as the Patagonian Cavy. They are both cavids.

Both the Greater Guinea Pig and the Patagonian Mara have two large front teeth to gnaw plants.

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What is the difference between an Ant Bag Beetle and a Ladybird?

What is the difference between an Ant Bag Beetle (Clytra laeviuscula) and a Ladybird (Coccinellidae family)?

Both the Ant Bag Beetle and the Ladybird are insects and beetles. The Ladybird is also known as the Ladybird Beetle and the Lady Beetle.

The Ant Bag Beetle has an elongated body and the Ladybird has a rounded body. 

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