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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What is the difference between Old World monkeys and New World monkeys?

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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American Flamingo: from Juvenile to Adult

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 and the Tuxedo Damselfish?

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 and the Striated Caracara?

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 and the Leopard?

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 and the Southern White-Lipped Peccary?

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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