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Biology Reference Libraries

Page 2 of about 1482 Articles
Afrikaner Sheep
2014-09-16 09:18:15

The Afrikaner sheep, also known as the cape fat tail, is a breed of domestic sheep that is native to South Africa. It is one of the oldest sheep breeds in that area and is a descendant of sheep brought from the Khoikhoin people in the Middle East. There are two types of this breed, known as the Namaqua Afrikaner and the Ronderib Afrikaner, and it is thought that the Ronderib type was the first...

Foothill Yellow-Legged Frog Rana boylii
2014-09-16 08:43:34

The Foothill Yellow-Legged Frog (Rana boylii) is a small frog measuring about 1.46 to 3.2 inches. It belongs to the genus Rana within the Ranidae family. This species can be found from northern Oregon, down California’s west coast, and into Baja California, Mexico. Both the Columbia Spotted Frog and the Cascades Frog, also part of the Rana genus, reside in the northern regions of this...

Kihansi Spray Toad Nectophrynoides Asperginis
2014-09-15 16:37:21

The Kihansi Spray Toad, Nectophrynoides Asperginis, is a yellowish colored dwarf toad. The females can reach up to 1.1 inches long and the males can reach up to .75 inches long. This ovoviviparous species was described scientifically in the year 1999. It was found only in the spray zone around the Kihansi waterfalls in the southern Udzungwa Mountains located in Tanzania. At about 220,000...

Strawberry Poison Dart Frog Oophaga Pumilio
2014-09-12 08:52:55

The Strawberry Poison-Dart Frog, Oophaga Pumilio or Dendrobates Pumilio, is a species of small amphibian poison dart frog located in Central America. It’s common throughout its range, which stretches from eastern central Nicaragua through Costa Rica and northwestern Panama. The species is frequently found in humid lowlands and premontane forest, but populations of large size are also found in...

Ranitomeya Amazonica
2014-09-11 11:50:10

Ranitomeya Amazonica is a poison dart frog belonging to the genus Ranitomeya. It was initially described by Rainer Schulte in 1999 as Dendrobates Amazonicus when he separated it from Dendrobates ventrimaculatus. The validity of the species is still being discussed between scientists. According to Schulte, this frog is 16 to 19 millimeters long with smooth black skin. The torso is laterally...

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...

Word of the Day
humgruffin
  • A terrible or repulsive person.
Regarding the etymology of 'humgruffin,' the OED says (rather unhelpfully) that it's a 'made-up word.' We might guess that 'hum' comes from 'humbug' or possibly 'hum' meaning 'a disagreeable smell,' while 'gruffin' could be a combination of 'gruff' and 'griffin.'