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Biology Reference Libraries

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Mulard
2014-09-08 16:31:03

The mulard, also known as the moulard, is a breed of domestic duck that was developed by crossbreeding the pekin duck breed and the Muscovy duck. It is not considered a breed or species hybrid due to the species classification of the Muscovy and the breed status of the pekin duck, which is a derivative of the Mallard duck species. However, it is considered to be a genera hybrid due to the genus...

Red Wattle Hog
2014-09-04 08:38:22

The red wattle hog, also known as the red wattle pig, is a breed of domestic pig that was developed in the United States. Its origin is not completely understood, but the modern breed is known to have been developed from pigs found in eastern Texas. H. C. Wengler crossbred red wattle sows with a Duroc boar to begin the development process and the breed was established during the late 1960’s...

Welsh Pig
2014-09-03 14:39:13

The Welsh pig is a breed of domestic pig that originated in Wales. This breed was developed in many Welsh regions including Cardigan, Montgomery, and Pembroke and is derived from the wild boar.  It became so popular after World War II that by 1954 there were 1,363 breeding boars. Despite its popularity, it is still kept mainly in its homeland and was not well known until the 1920’s, when the...

Pot-Bellied Pig
2014-09-03 14:16:45

The pot-bellied pig, also known as the Vietnamese pot-bellied pig, is a breed of domestic pig that originated from Vietnam. Today, the pig subspecies that is native to Vietnam can only be found in mountainous areas of that region, as well as Thailand, so the Vietnamese government now subsidizes farmers that raise pot-bellied pigs in order to ensure their survival. The pot-bellied pig is much...

Swabian-Hall Swine
2014-09-02 10:33:37

The Swabian-Hall swine is a breed of domestic pig that originated in the city of Schwäbisch Hall in the Baden-Württemberg region of Germany. It was first developed in 1820 by King William I of Württemberg, who imported Meishan pigs in order to breed them with German landrace pigs to develop a pig with a higher fat content. It became so popular that by 1959 ninety percent of the area’s...

Ossabaw Island Hog
2014-09-02 09:37:37

The Ossabaw Island hog, also known as the Ossabaw Island, is a breed of pig that developed from a herd of feral pigs on Ossabaw Island, Georgia in the United States. The original population of hogs was brought to the island by the Spaniards during the sixteenth century for the purpose of later consumption, which was a typical practice during Spanish exploration at that time. The pigs became...

Western Clawed Frog Xenopus tropicalis
2014-08-21 10:26:56

The western clawed frog is also known as the tropical clawed frog and is found widespread in the regions of Nigeria, Liberia, Gambia, Guinea, Cameroon, the Ivory coast, and surrounding areas. The habitat for the western clawed frog is moist areas in tropical and subtropical rivers, lakes, marshes, swamps, agricultural ponds, and canals. The body color of the western clawed frog is light...

Lake Oku Clawed Frog Xenopus longipes
2014-08-21 10:22:21

The Lake Oku clawed frog is native to and found exclusively in Lake Oku of Cameroon and is fully aquatic. The lake and surrounding forest are now a nature reserve along with several zoos set up with conservation measures to repopulate the species. This species is listed as critical on the IUCN list. The male of the species can reach 1.5 inches while the female is slightly larger at 1.75...

Frasers Clawed Frog Xenopus fraseri
2014-08-21 10:15:53

The Fraser’s clawed frog also known as Fraser’s platanna is wide spread with an abundant population throughout Angola, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Equatorial Guinea, Gabon and Rwanda. The habitat of this species of frog is tropical and subtropical lowlands where there are forests, rivers, freshwater lakes, marshes, ponds...

African Clawed Frog Xenopus laevis
2014-08-18 16:16:15

The African clawed frog is found in its natural habitat throughout Africa. However, it has been introduced in North America, South America and Europe. This species is fully aquatic and is found abundantly in ponds, lakes, and rivers. The body color of the African clawed frog is a greenish grey and the skin is smooth and slippery with blotches of grey or brown on the back. The belly is a...

Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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