What is the difference between the Goldfish (Carassius auratus) and the Koi Carp (Cyprinus rubrofuscus)?
The Goldfish has more colours and body, fin, and tail shapes than the Koi Carp.
The Goldfish does not have barbels (fleshy lobes) at the corner of its mouth, whereas the Koi Carp has barbels.
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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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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 a draft animal and a pack animal?
A draft animal is a domesticated animal that pulls loads of materials, but does not carry the material on its body.
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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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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 (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 (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 (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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What is the difference between Old World monkeys and New World monkeys?
Old World monkeys live in the African continent, in coastal Arabia, and in Asia. New World monkeys live mainly in the tropical rain forests of South American countries.
Old World monkeys belong to one family called the Ceropithecidae family. They are catarrhines, which means that they have narrow, downward noses. Apes and humans also have downward noses.
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Some animals have young that look like a similar but miniature version of the adult. Other animals have young that look very different from the adult.
The young (juvenile) American Flamingo looks very different from its parents.
The American Flamingo (Phoenicopterus ruber) is a large wetland wading bird with reddish-pink feathers, a large beak, long legs, and a curved S-shaped neck.
The juvenile flamingo has fluffy grey feathers. The adult flamingo has reddish-pink well-defined feathers. It takes 2-3 years for the juvenile flamingo to gain its pink feathers.
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What is the difference between the Four Stripe Damselfish (Dascyllus melanurus) and the Tuxedo Damselfish (Chrysiptera tricincta)?
The Four Stripe Damselfish and the Tuxedo Damselfish both belong to the Pomacentridae family of damselfish.
The Four Stripe Damselfish and the Tuxedo Damselfish are both tropical marine (saltwater) reef fish.
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What is the difference between the Southern Crested Caracara (Caracara planacus) and the Striated Caracara (Phalcoboenus australis)?
The Southern Crested Caracara and the Striated Caracara are both large birds of prey in the Falconidae family. They are falconids.
The Southern Crested Caracara has a dark-brownish cap, belly, wings, and tail tip, with a whitish-buff throat and nape, whereas the Striated Caracara is black-brown with a grey-flecked neck.
The Southern Crested Caracara has a brown crest and the Striated Caracara does not have a crest.
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What is the difference between the Jaguar (Panthera onca) and the Leopard (Panthera pardus)?
The Jaguar and the Leopard are both carnivorous wild cats.
The Jaguar and the Leopard have dark rosette-shaped markings on their cream to yellowish-brown fur.
The Jaguar has larger and fewer rosettes than the Leopard. The rosettes of the Jaguar are mostly without a gold centre.
The Jaguar is stockier and more muscular than the Leopard.
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What is the difference between the Chacoan Peccary (Catagonus wagneri) and the Southern White-Lipped Peccary (Tayassu pecari albirostris)?
The Chacoan Peccary and the Southern White-Lipped Peccary are both pig-like ungulate (hoofed) mammals with short legs, and small, narrow feet.
The Chacoan Peccary and the Southern White-Lipped Peccary have a tough, leathery, pig-like snout (nose).
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What is the difference between the European Wasp (Vespula vulgaris) and the European Paper Wasp (Polistes dominula)?
The European Wasp, also called the Common Wasp, and the European Paper Wasp are both vespid insects.
The European Wasp and the European Paper Wasp are both social wasps living in colonies with a queen wasp and worker wasps.
The European Wasp and the European Paper Wasp both have black and yellow bodies with yellowish-orange legs.
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What is the difference between the Finnish Forest Reindeer (Rangifer tarandus fennicus) and the Woodland Caribou (Rangifer tarandus caribou)?
The Finnish Forest Reindeer and the Woodland Caribou are sub-species of the Reindeer (Rangifer tarandus), an ungulate (hoofed) mammal in the deer family.
The Finnish Forest Reindeer and the Woodland Caribou have long legs with wide, crescent-shaped, cloven (split) hooves for walking on snow.
The Finnish Forest Reindeer and the Woodland Caribou have antlers. The male has large V-shaped antlers, that are larger than the female’s antlers.
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What are the differences between the Greater Rhea (Rhea americana) and the Lesser Rhea (Rhea pennata)?
The Greater Rhea and the Lesser Rhea are both large, flightless, ratite birds with long legs and a long neck, with a body of fluffy grey feathers.
The Greater Rhea is larger than the Lesser Rhea.
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What is the difference between the American Bison (Bison bison) and the European Bison (Bison bonasus)?
The American Bison and the European Bison are large ungulate (hoofed) mammals in the bovine (cattle) family.
The American Bison and the European Bison are artiodactyl, because they have cloven (split) hooves.
The American Bison has longer hair on its neck, head, and forequarters than the European Bison.
The American Bison has less hair on its tail than the European Bison.
The American Bison has shorter horns and tail than the European Bison.
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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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