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Amargosa toad

The Amargosa toad is a species of toad. They belong to the family Bufonidae. They were once considered a subspecies of the Western toad.

                                               

Amaryllidaceae

Crinum, Swamp Lily. Hippeastrum, commonly sold as Amaryllis or Christmas Amaryllis. Galanthus, Snowdrop. Clivia, the Kaffir lily. Sternbergia, Winter daffodil. Leucojum, Snowflake. Sprekelia, Jacobean lily. Pancratium, Sea Daffodil. Habranthus, R ...

                                               

Amblypygi

Amblypygi is an order of Arachnids also known as whip spiders or tailless whip scorpions. The name amblypygid means "blunt rump", a reference to a lack of the telson. They are harmless to humans. The Amblypygs are in the subphylum Chelicerata of ...

                                               

Amborellaceae

Amborellaceae is a family of flowering plants native to New Caledonia. The family contains only one species, Amborella trichopoda. Botanists think it is the most basal plant in the angiosperm clade. The Amborellaceae are distinctive. They are spr ...

                                               

Ambystoma

The mole salamander is a member of the genus Ambystoma. There are a group of animals that live in North America. The only family in this genus is the Ambystomatidae. The Axolotl is a popular exotic pet. They are also used in research. The Tiger S ...

                                               

American bison

The American bison is a bovine mammal. "Buffalo" is something of a mistake as it is only distantly related to the water buffalo and the African buffalo. Bison are a keystone species. Their staple foods are grasses and sedges. They once roamed the ...

                                               

American Hairless Terrier

The American Hairless Terrier is a hairless dog breed. This means they do not have fur. The American Hairless Terrier is often listed as a good breed choice for people with allergies.

                                               

American lion

The American lion is also known as Naegele’s giant jaguar or American cave lion. It is an extinct species of lion which lived in North America during the Pleistocene. It existed for about 330.000 thousand years. The American lion belonged to the ...

                                               

American toad

The American toad is a species of toad. They live in eastern United States and Canada. There are three subspecies: the eastern American toad, the dwarf American toad, and the rare Hudson Bay toad.

                                               

American Water Spaniel

The American Water Spaniel, is a rare breed of gun dog of the spaniel type that was developed in the state of Wisconsin in the United States during the 19th century by using other breeds like the Irish and English Water Spaniels. They are medium ...

                                               

Amethyst woodstar

The amethyst woodstar is a species of hummingbird.Tiny, short-billed hummingbird of forests, forest edges, and savanna woodlands. Both sexes are green on the back with a white band across the rump, but males have glossy pink throat and a deeply f ...

                                               

Ammonis cornua

Ammonis is a dubious genus of extinct ammonite known from fossils found near Pompeii in Ancient Rome. The only known species, Ammonis cornua, was named by Pliny the Elder in A.D. 79. Its fossils were found in the same Pompeiian aged rocks as whic ...

                                               

Amphicoelias

Amphicoelias was a genus of sauropod dinosaur, which may have included the largest dinosaur ever discovered. If it truly existed, A. fragillimus would be the longest vertebrate by a considerable margin, and it would have a mass that rivals the he ...

                                               

Amur leopard

The Amur leopard is a leopard subspecies. It is sometimes called the far eastern leopard. The leopard lives in the Primorye region of southeastern Russia and in the Jilin Province of northeast China. It is critically endangered IUCN. Only 14–20 a ...

                                               

Amygdala

The amygdala is an almond-shaped group of neurons. These groups of neurons in the brain are called "nuclei". The word amygdala comes from the Greek word for almond. The group of neurons is positioned in the temporal lobe of the brain. The amygdal ...

                                               

Amygdaloideae

Amygdaloideae is a subfamily of flowering plants. This subfamily is placed within the family Rosaceae. Since 2011 there has been a big change in how the name of this subfamily is used. Before 2011, the only plants in this subfamily were the stone ...

                                               

Anaphalis

Anaphalis is a genus within the Asteraceae family whose members are commonly known by the name Pearly everlasting. There are around 110 species within the genus with the vast majority being native to central and southern Asia. There is one specie ...

                                               

Anatidae

The anatidae are the biological family of birds that includes the ducks, geese and swans. These birds are common and widespread, and live in or near water. The family has a cosmopolitan distribution, on all the worlds continents except Antarctica ...

                                               

Andean condor

The Andean condor, is a vulture-like bird species found in the Andes mountains and adjacent Pacific coasts of western South America. It is the largest flying land bird in the Western Hemisphere and the heaviest member of the order Accipitriformes ...

                                               

Andean mountain cat

The Andean cat, Andean highland cat or Andean mountain cat is a small wild cat that lives in the Andes mountain range. They live in Peru, Bolivia, northern Argentina and northern Chile. The adult Andean cat is 57 to 64 cm long from its nose to th ...

                                               

Andrewsarchus

Andrewsarchus mongoliensis, was a mammalian Mesonychid predator. This large heavily-built, wolf-like, mammal lived during the Eocene, about 45 to 36 million years ago. It walked on four short legs and had a long body, a long tail, and feet with h ...

                                               

Andrology

Andrology is the study of male health, especially male sexual organs and reproduction. It is similar to the study of womens health, called gynaecology. Andrology has only been studied since the late 1960s. The first specialist journal on the subj ...

                                               

Anglerfish

An anglerfish is a marine fish that belongs to the order Lophiiformes. Anglerfish are noted for having a bait-like appendage in front of their heads, right above their mouths. The appendage, which resembles a fishing pole, is attached to the end ...

                                               

Anguis fragilis

Anguis fragilis is a lizard which is limbless. It has a wide distribution in Europe and Asia, and is one of the few reptiles native to Britain. When a slow-worm is in danger it can shed break off its tail and escape. It can then grow back a new, ...

                                               

Angus cattle

The Angus cattle, also known as Black Angus, or Aberdeen Angus is a Scottish breed of black hornless cattle. They come from the counties of Aberdeen and Angus. It is a medium-sized to large breed, with the cows weight averaging around 1000 lbs an ...

                                               

Annas hummingbird

Annas hummingbird is 9 to 10 centimetres long. It has a bronze-green back, a light grey chest and belly, and green flanks. Its bill is long, straight and slender. The adult male has an iridescent crimson-red crown and throat, and a dark, slightly ...

                                               

Ant mill

An ant mill is a small group of army ants away from the other ants. They lose the pheromone track and begin to follow each other, making a spinning circle. The ants will die of exhaustion. People can make this happen easily. This is a side effect ...

                                               

Antarctic fur seal

The Antarctic fur seal, is a type of seal in the genus Arctocephalus. Even though the name has Antarctic in it does not live in Antarctica. The Antarctic fur seal mostly lives in Subantarctic islands.

                                               

Anteater

An anteater is a mammals of the family Myrmecophagidae and the suborder Vermilingua. Anteaters live in South America and Central America. Anteaters eat ants and termites. They have long, sharp claws and a long, sticky tongue. The tongue can be up ...

                                               

Anterograde amnesia

Anterograde amnesia is a kind of amnesia. Amnesia is a problem with remembering things. In anterograde amnesia, people have trouble making memories last - they forget. Amnesia is triggered by an event, people with anterograde amnesia have problem ...

                                               

Anthony Van Dyck (horse)

Anthony Van Dyck was an Irish Thoroughbred racehorse. He was best known for winning the 2019 Epsom Derby. He was a top-class two-year-old in 2018 when he won three of his seven races including the Tyros Stakes and the Futurity Stakes. He finished ...

                                               

Antillesoma

Antillesoma is a genus of peanut worms Phylum Sipuncula. The genus belongs to the family Phascolosomatidae Antillesoma was described in 1973 by Stephen and Edmonds.

                                               

Antillesoma antillarum

Phascolosoma Aedematosomum antillarum Grube, 1858. Physcosoma gaudens Lanchester, 1905. Golfingia Thysanocardia mokyevskii Murina, 1964. Phascolosoma immodestum De Quatrefages, 1865. Physcosoma asser Selenka & De Man, 1883. Phascolosoma Rueppelli ...

                                               

Anting

Anting is a behavior in which birds rub insects on their feathers. This releases liquids with chemicals such as formic acid onto the birds feathers. Instead of ants, birds can also use millipedes. Over 200 species of bird have been known to ant. ...

                                               

Antlion

Antlion are a family of insects in the order Neuroptera with the scientific name Myrmeleontidae. The most well-known genus is Myrmeleo. There are about 2.000 species.

                                               

Anubias

Anubias is a genus of tropical plants in the family Araceae. Members of this genus are popular as aquarium plants. Because of the often shady places where the plants grow, the genus was named after the Egyptian god Anubis, the god of the afterlif ...

                                               

Anxiety disorder

The term anxiety disorder is a term for a number of psychiatric disorders. These disorders can be classified into two very broad groups: Disorders that are marked by fear of a given object or situation. Disorders that are marked by extreme worry ...

                                               

Aortic dissection

Aortic dissection occurs when a tear in the inside of the aorta causes blood to flow between the layers of the wall of the aorta, forcing the layers apart. In most cases this is associated with a sudden onset of severe chest or back pain, often d ...

                                               

Apiaceae

The Apiaceae or Umbelliferae is a family of mostly aromatic plants with hollow stems. They are umbellifers. The family includes cumin, parsley, carrot, coriander / cilantro, dill, caraway, fennel, parsnip, celery, anise, Queen Annes Lace and othe ...

                                               

Aplacophora

The Aplacophora is a class of small, deep-water, exclusively benthic, shell-less marine molluscs. They are found in all oceans of the world. They are a small group of molluscs which have deviated from the normal molluscan form. There are approxim ...

                                               

Apocynum cannabinum

Apocynum cannabinum is a species of plant. It is also known as Dogbane, Amy Root, Hemp Dogbane, Rheumatism Root, and Wild Cotton. It is native to all of North America. It blooms from June to August. This species is found in moist lowlands, near s ...

                                               

Apostatic selection

Apostatic selection is frequency-dependent selection by predators. It applies when prey are two or more forms which look quite different. This is a kind of polymorphic species, where the predator learns to select the more common form. Then there ...

                                               

Appetite

Appetite is wanting to eat food, the feeling of hunger. Humans and animals have appetite to make sure that they eat enough food to survive. A loss of appetite is also called anorexia. Appetite can change when people are ill, when they have eating ...

                                               

Arabian bustard

The Arabian bustard is a bird native to North Africa and the Middle East. It lives in the Sahel region, South Sudan, Kenya, Eritrea, Ethiopia, Djibouti, Somalia, Saudi Arabia and Yemen. As in all bustards, the male Arabian bustard is much larger ...

                                               

Arabian tree frog

The Arabian tree frog or Sanchiang tree toad is a frog from the Middle East. Scientists saw it in Israel, Jordan, Saudi Arabia, Yemen and Syria. Scientists say there are two separate groups of Arabian tree frogs: one in the hills in Yemen and Asi ...

                                               

Araceae

Araceae are a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix. The spadix is usually accompanied by, and sometimes partially enclosed in, a spathe or leaf-like bract. Also known as ...

                                               

Araucaria heterophylla

Araucaria heterophylla, also called the Norfolk Island Pine, is a conifer tree. The tree comes from Norfolk Island, a small island in the South Pacific. It is part of the family of trees called Araucaria, which are found in South Pacific, mainly ...

                                               

Archerfish

Archerfish are small fish. Some live in fresh water. Others live in salt water. They live in lots of places, like India, the Philippines, Australia, and Polynesia. Archerfish eat insects and other small animals. The archerfish looks for an insect ...

                                               

Arctic char

Arctic char or Arctic charr, Salvelinus alpinus, is a cold water fish in the family Salmonidae. It is native to Arctic, sub-Arctic and alpine lakes. It breeds in fresh water. Char may either be landlocked or anadromous, migrating to the sea. No o ...

                                               

Arctic hare

The Arctic hare is a social animal that lives in the frigid tundra of North America, Newfoundland, and Greenland. These hares often congregate in groups of up to 200 individuals. They hop at great speeds on their large, powerful hind legs, in a k ...

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Pino - logical board game which is based on tactics and strategy. In general this is a remix of chess, checkers and corners. The game develops imagination, concentration, teaches how to solve tasks, plan their own actions and of course to think logically. It does not matter how much pieces you have, the main thing is how they are placement!

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