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Euphorbia
Euphorbia (spurges) is a cosmopolitan genus of Euphorbiaceae, one of the largest plant genera with roughly 1,200 to over 2,000 species, defined by milky toxic latex and the cyathium inflorescence, with four subgenera and wide medicinal use.
Euphorbia antisyphilitica
Euphorbia antisyphilitica, commonly known as candelilla, is a semisucculent shrub of the spurge family native to the southern United States and Mexico and the source of candelilla wax.
Euphorbia cyparissias
Euphorbia cyparissias, cypress or graveyard spurge, a rhizomatous Euphorbiaceae perennial native to Europe and NW Türkiye, introduced across North America, Japan, and New Zealand, reproducing by seed and creeping roots.
Euphorbia heterophylla
Euphorbia heterophylla (wild poinsettia, Mexican fireplant, milkweed) is an annual latex-bearing Euphorbiaceae herb native to tropical America, now a pantropical soybean and maize weed with documented ALS, glyphosate, and PPO herbicide resistance.
Euphorbia hirta
Euphorbia hirta (asthma plant, tawa-tawa), an annual Euphorbiaceae herb native to tropical America, used in traditional medicine for asthma, diarrhea, and dengue; pharmacology remains preclinical.
Euphorbia milii
Euphorbia milii, crown of thorns or Christ plant, is a spiny semisucculent Madagascan shrub in Euphorbiaceae grown for red, pink, white, or yellow bracts; its toxic latex causes dermatitis and eye injury, and its diterpenoids show molluscicidal and pharmacological activity.
Euphorbiaceae
Euphorbiaceae, the spurge family (Euphorbiaceae Juss., 1789), is a Malpighiales family of about 230 genera and 6,500+ species with unisexual flowers, latex, and the unique cyathium; includes Hevea rubber, cassava, and castor oil plants.
Euphoria (disambiguation)
Euphoria (εὐφορία): intense feeling of well-being; also a psychiatric sign of exaggerated elation in mania, a drug-effect term, and the HBO drama starring Zendaya as Rue Bennett; from Greek euphoros, bearing well.
Euphractus
Euphractus (six-banded armadillos) is a monotypic armadillo genus, Wagler 1830, containing only Euphractus sexcinctus, the yellow armadillo of South America: 3–7 kg, diurnal, omnivorous, IUCN Least Concern.
Euphrasia
Euphrasia, the eyebrights, is a genus of semi-parasitic annual or perennial herbs or subshrubs in Orobanchaceae, first published by Linnaeus in 1753 and notorious for how hard its species are to tell apart.
Euphyllia ancora
Euphyllia ancora, the hammer or anchor coral, now Fimbriaphyllia ancora, is an Indo-west-Pacific large-polyp stony coral with anchor-tipped tentacles; IUCN Least Concern (2023) but decreasing, and a Queensland coral fishery target.
Euplectella
Euplectella, or Venus' flower basket (Euplectella aspergillum), a deep-sea glass sponge genus with a fused silica lattice skeleton that traps shrimp, acts as biological optical fiber, and dates to the Ordovician Anji Biota.
Euplectes
Euplectes (Swainson, 1829) is the African genus of bishops and widowbirds, 17 polygynous weaverbird species (Ploceidae) of sub-Saharan grasslands, whose breeding males wear black plumage with carotenoid yellow-to-red patches and, in widowbirds, long nuptial tails.
Euplectes ardens
Euplectes ardens, the Red-collared Widowbird (euplecte veuve-noire), a polygynous Ploceidae weaver of African savannas; black breeding males with ~22 cm tails and red collars; IUCN Least Concern.
Euproctus
Euproctus (European mountain salamanders) is a salamandrid newt genus with two species, E. montanus of Corsica and E. platycephalus of Sardinia, restricted to Tyrrhenian island streams after Calotriton was split off in 2005.
Eurasian beaver
Eurasian beaver (Castor fiber), one of two living beaver species, native to Europe and Asia; ecosystem engineer with 48 chromosomes; fell to c. 1,200 animals, now c. 1.5 million, half in Russia; IUCN Least Concern.
Eurasian blackcap
The Eurasian blackcap (Sylvia atricapilla) is a common warbler of European and North African woodlands and gardens, the male named for its glossy black crown.
Eurasian blue tit
Eurasian blue tit (Cyanistes caeruleus, Mésange bleue, Blaumeise): small European tit of woodlands and gardens with blue cap, white face, yellow underparts; cavity nester, insect eater, IUCN Least Concern, known for milk-bottle cream raiding.
Eurasian brown bear
Eurasian brown bear (Ursus arctos arctos), nominate subspecies of the brown bear across European and Caucasus forests; about 17,000-20,400 in Europe, recovering under the Bern Convention and Habitats Directive, with conflicts over livestock, orchards, and rare attacks.
Eurasian bullfinch
Eurasian bullfinch (Pyrrhula pyrrhula), a Palearctic finch from the British Isles to the Far East; male rose-red with black cap; feeds on seeds and fruit-tree buds; Least Concern, increasing in Europe.
Eurasian carp
Eurasian carp (Cyprinus carpio, common carp) is a cyprinid fish native to Black, Caspian, and Aral sea drainages, domesticated since about 6000 BC, a top farmed fish, and a widespread introduced pest in North America; IUCN Least Concern.
Eurasian collared dove
The Eurasian collared dove (Streptopelia decaocto) is a pale gray-buff dove with a black neck collar, native to Asia and Europe and common across much of North America.
Eurasian eagle-owl
Eurasian eagle-owl (Bubo bubo), also Uhu or Grand-duc d'Europe, a large Strigidae owl across Eurasia and North Africa; IUCN Least Concern, 37,100–59,500 mature individuals in Europe, increasing, threatened mainly by powerline electrocution and persecution.
Eurasian goshawk
Eurasian goshawk (Astur gentilis, formerly Accipiter gentilis, Northern Goshawk): large Palearctic forest hawk, split from American Goshawk in 2023; ~291,000 European mature individuals, decreasing; extinct in Britain by 1900, re-established from falconers' releases.
Eurasian hoopoe
The Eurasian hoopoe (Upupa epops) is a distinctive insect-eating bird with a fan-shaped crest and long curved bill; it breeds across Eurasia and winters mainly in Africa.
Eurasian jay
Eurasian jay (Garrulus glandarius), a colourful corvid of Europe and Asia; caches 4,500-11,000 acorns, shows episodic-like memory, disperses oaks up to 4 km; IUCN Least Concern, stable population of 24-46.2 million mature individuals.
Eurasian lynx
Eurasian lynx (Lynx lynx), the largest lynx species, a solitary forest cat from Western Europe to the Pacific coast of Russia; IUCN Least Concern overall, with endangered reintroduced European subpopulations; preys mainly on roe deer and chamois.
Eurasian magpie
Eurasian magpie (Pica pica), also called common magpie, is a black-and-white corvid of Europe and Asia, 45 cm long with a long tail, omnivorous, urban-adapted, IUCN Least Concern; famous but unreplicated 2008 mirror self-recognition claim.
Eurasian nomads
Eurasian nomads: mobile pastoralist peoples of the Eurasian Steppe (Scythians, Xiongnu, Huns, Turks, Mongols) who herded horses and sheep, built steppe empires c. 500 BC–1500 AD, and persist today in Mongolian and Central Asian herding.
Eurasian otter
Eurasian otter (Lutra lutra), also European or common otter, a semi-aquatic mustelid from Ireland to Southeast Asia; Near Threatened, decreasing, 57,880–361,140 mature individuals, fish-major diet, 12 subspecies.