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Birds are a group of warm-blooded vertebrates constituting the class Aves (/ˈeɪviːz/), characterised by feathers, toothless beaked jaws, the laying of...

In biology, taxonomy (from Ancient Greek τάξις (taxis) 'arrangement', and -νομία (-nomia) 'method') is the scientific study of naming, defining (circumscribing)...

The jaguar (Panthera onca) is a large cat species and the only living member of the genus Panthera native to the Americas. With a body length of up to...

The tomato (/təmeɪtoʊ/ or /təmɑːtoʊ/) is the edible berry of the plant Solanum lycopersicum, commonly known as the tomato plant. The species originated...

Sexual dimorphism is the condition where sexes of the same species exhibit different morphological characteristics, particularly characteristics not directly...

In taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by...

Monkey is a common name that may refer to most mammals of the infraorder Simiiformes, also known as the simians. Traditionally, all animals in the group...

A deer (pl.: deer) or true deer is a hoofed ruminant ungulate of the family Cervidae. It is divided into subfamilies Cervinae (which includes, among others...

Owls are birds from the order Strigiformes (/ˈstrɪdʒəfɔːrmiːz/), which includes over 200 species of mostly solitary and nocturnal birds of prey typified...

The dachshund (UK: /ˈdækshʊnd, -ənd, -hʊnt/ DAKS-huund, -⁠ənd, -⁠huunt or US: /ˈdɑːkshʊnt, -hʊnd, -ənt/ DAHKS-huunt, -⁠huund, -⁠ənt; German: 'badger dog')...

Male (symbol: ♂) is the sex of an organism that produces the gamete (sex cell) known as sperm, which fuses with the larger female gamete, or ovum, in the...

Asexuality is the lack of sexual attraction to others, or low or absent interest in or desire for sexual activity. It may be considered a sexual orientation...

The guinea pig or domestic guinea pig (Cavia porcellus), also known as the cavy or domestic cavy (/ˈkeɪvi/ KAY-vee), is a species of rodent belonging to...

A carbohydrate (/ˌkɑːrboʊˈhaɪdreɪt/) is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom...

Common lichen growth forms A lichen (/ˈlaɪkən/ LY-kən, UK also /ˈlɪtʃən/ LITCH-ən) is a symbiosis of algae or cyanobacteria living among filaments of multiple...

This article contains Linear B Unicode characters. Without proper rendering support, you may see question marks, boxes, or other symbols instead of Linear...

Chrysanthemums (/krɪˈsænθəməmz/ kriss-AN-thə-məmz), sometimes called mums or chrysanths, are flowering plants of the genus Chrysanthemum in the family...

Taraxacum (/təˈræksəkəm/) is a large genus of flowering plants in the family Asteraceae, which consists of species commonly known as dandelions. The scientific...

The alpaca (Lama pacos) is a species of South American camelid mammal. It is similar to, and often confused with, the llama. However, alpacas are often...

The Maine Coon is a large domesticated cat breed. It is one of the oldest natural breeds in North America. The breed originated in the U.S. state of Maine...