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Stachys sylvatica

Stachys sylvatica, commonly known as hedge woundwort, whitespot, or sometimes as hedge nettle, is a perennial herb growing to 80 cm tall in woodland and unmanaged grassland. In temperate zones of the northern hemisphere it flowers in July and Aug ...

Standfussiana lucernea

Standfussiana lucernea, the northern rustic, is a moth of the family Noctuidae. It is found from the Iberian Peninsula, Italy and Greece in southern Europe, north through most of the continent up to Fennoscandia west to Ireland and Iceland.

Stellaria graminea

Stellaria graminea is a species of flowering plant in the family Caryophyllaceae known by the common names common starwort, grass-leaved stitchwort, lesser stitchwort and grass-like starwort.

Stellaria holostea

It can grow up to 60 centimetres 24 in height, with roughly 4-angled stems. The long, narrow lanceolate leaves are greyish green, hairless, sessile, opposite and decussate the successive pairs borne at right angles to each other. The flowers are ...

Stellaria nemorum

Stellaria nemorum, also known by the common name wood stitchwort, is a stoloniferous perennial, herbaceous flowering plant in the family Caryophyllaceae.

Sterlet

The sterlet is a relatively small species of sturgeon from Eurasia native to large rivers that flow into the Black Sea, Azov Sea, and Caspian Sea, as well as rivers in Siberia as far east as Yenisei. Populations migrating between fresh and salt w ...

Sterna

Sterna, commonly known as Odone, is a genus of terns in the bird family Laridae. Sterna is derived from Old English "stearn" which appears in the poem The Seafarer ; a similar word was used to refer to terns by the Frisians. It used to encompass ...

Stictopleurus crassicornis

Stictopleurus crassicornis can reach a length of 6.7–8.2 millimetres 0.26–0.32 in. These bugs have a punctuated pronotum, a banded connexivum and a rounded or pointed tip of the scutellum. The body is brown and the abdomen is often greenish. In t ...

Stoat

The stoat, also known as the ermine, is a mustelid native to Eurasia and North America. Because of its wide circumpolar distribution, it is listed as Least Concern on the IUCN Red List. The name ermine is used for species in the genus Mustela, es ...

Nerophis ophidion

The straightnose pipefish is a species of pipefish which lives in brackish water in the northeastern Atlantic, the Baltic, Mediterranean and Black Seas.

Stratiomys chamaeleon

It has a widespread Palearctic distribution, occurring in Southern Europe and parts of Asia. It has a very restricted range in Britain, where it is regarded as endangered.

Striga asiatica

Striga asiatica, the Asiatic witchweed or the red witchweed, is a hemiparasitic plant in the family Orobanchaceae. It is native to Asia and sub-Saharan Africa, but has been introduced into other parts of the world including Australia and the Unit ...

Sturnus

Sturnus is a genus of starlings. As discussed below, the taxonomy of this group is complex, and other authorities differ considerably in which species they place in this genus, and in the species boundaries within Sturnus. The genus name Sturnus ...

Subcoccinella vigintiquatuorpunctata

Subcoccinella vigintiquatuorpunctata is a beetle in the family Coccinellidae. It is the only member of the genus Subcoccinella. It has the typical, almost semi-spherical, ladybird shape and is patterned with spots. However it differs from many of ...

Summer flounder

The summer flounder is a marine flatfish that is found in the Atlantic Ocean off the East Coast of the United States and Canada. It is especially abundant in waters from North Carolina to Massachusetts.

Morpho hecuba

Morpho hecuba, the sunset morpho, is a Neotropical butterfly and the largest species in the genus Morpho. Its wingspan can reach 20 centimetres, but is usually from 13–15 centimetres. M. hecuba is the largest known Morpho and one may also call it ...

Surf scoter

The surf scoter is a large sea duck native to North America. Adult males are entirely black with characteristic white patches on the forehead and the nape and adult females are slightly smaller and browner. Surf scoters breed in Northern Canada a ...

Swallow-tailed kite

For the African species, see African swallow-tailed kite The swallow-tailed kite is a pernine raptor which breeds from the southeastern United States to eastern Peru and northern Argentina. It is the only species in the genus Elanoides. Most Nort ...

Swallow-tailed moth

The swallow-tailed moth is a moth of the family Geometridae. The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. It is a common species across Europe and the Near East.

Sycamore (moth)

The sycamore is a moth of the family Noctuidae. It is distributed through most of Europe, from central England south to Morocco. To the east it is found from the Near East and Middle East to West Asia. The forewings of this species are pale to da ...

Symmorphus bifasciatus

Symmorphus bifasciatus, the willow mason-wasp, is a species of potter wasp, from the subfamily Eumeninae of the social wasp family Vespidae which is widely distributed in the Palearctic region.

Symphyotrichum grandiflorum

Symphyotrichum grandiflorum, the largeflower aster, is a species of flowering plant in the family Asteraceae. It is endemic to the southeastern United States, where it is restricted to the Atlantic Coastal Plain of Virginia, North Carolina and So ...

Syngnathus

Syngnathus is a genus of fish in the family Syngnathidae found in marine, brackish and sometimes fresh waters of the Atlantic, Indian and Pacific Ocean. Fossils of these species are found from the Oligocene to the Pleistocene. They are known from ...

Syngrapha interrogationis

Syngrapha interrogationis, the scarce silver Y, is a moth of the family Noctuidae. It is found in the northern areas of the world, from Alaska, through Canada, Iceland, Europe, Siberia up to Northeast Asia including Japan.

Synodontis clarias

Synodontis clarias, known as the red tailed synodontis, or the mandi, is a species of upside-down catfish that occurs widely in the waters of northern Africa. It was first described by Swedish zoologist Carl Linnaeus in 1758 as Silurus clarias. T ...

Synoeca surinama

Synoeca surinama is a Neotropical swarm-founding wasp of the tribe Epiponini. It is known for its metallic blue and black appearance and painful sting. S. surinama builds nests on tree trunks and can be found in tropical climates of South America ...

Syritta pipiens

Syritta pipiens, sometimes called the thick-legged hoverfly, is one of the most common species in the insect family Syrphidae. This fly originates from Europe and is currently distributed across Eurasia and North America. They are fast and nimble ...

Syrphus ribesii

Syrphus ribesii is a very common Holarctic species of hoverfly. Its larvae feed on aphids. In common with many other species of hoverfly, males have the eyes meeting on the top of the head, whilst females have their eyes widely separated. Adults ...

Tabanus bovinus

Tabanus bovinus, sometimes called the pale giant horse-fly, is a species of biting horse-fly. As the name suggests, it prefers bovine animals as the source of blood, although it may bite other kind of mammals as well. The insect is relatively lar ...

Tabanus bromius

Tabanus bromius is one of the smaller European Tabanus, at about 13.5–15 millimetres 0.5–0.6 in body length. The mesonotum is grayish and bears on the top five indistinct longitudinal lines, while the abdomen is black, hairy and carries three row ...

Tachina fera

This species can be found in the entire Palaearctic ecozone, across Europe as far north as Scandinavia and European Russia. It is also present in Israel, North Asia, east to China, Mongolia, Korea, Japan and in North Africa.

Tachina grossa

Tachina grossa can reach a length of 15–19 millimetres 0.6–0.7 in. This species of fly is one of the largest throughout much of its range and is the largest tachinid in Europe. These flies are very distinctive, being hairy and with a black thorax ...

Taeniotes farinosus

Taeniotes farinosus is a species of beetle in the family Cerambycidae. It was described by Carl Linnaeus in 1758, originally under the genus Cerambyx.

Tagetes patula

Tagetes patula, the French marigold, is a species of flowering plant in the daisy family, native to Mexico and Guatemala with several naturalised populations in many other countries. It is widely cultivated as an easily grown bedding plant, with ...

Talpa (genus)

Talpa is a genus in the mole family Talpidae. Among the first taxa in science, Carolus Linnaeus used the Latin word for "moles", talpa, in his Regnum Animale to refer to the commonly known European form of mole. The group has since been expanded ...

Tamarix

The genus Tamarix is composed of about 50–60 species of flowering plants in the family Tamaricaceae, native to drier areas of Eurasia and Africa. The generic name originated in Latin and may refer to the Tamaris River in Hispania Tarraconensis.

Tamarix gallica

Tamarix gallica, the French tamarisk, is a deciduous, herbaceous, twiggy shrub or small tree reaching up to about 5 meters high. It is indigenous to Saudi Arabia and the Sinai Peninsula, and very common around the Mediterranean region. It is pres ...

Tanacetum

Tanacetum is a genus of about 160 species of flowering plants in the aster family, Asteraceae, native to many regions of the Northern Hemisphere. They are known commonly as tansies. The name tansy can refer specifically to Tanacetum vulgare, whic ...

Tansy beetle

The tansy beetle is a species of leaf beetle. It measures 7.7–10.5 mm in length and has a characteristic bright metallic green colouration. The common name derives from the tansy plant on which they often feed as both larvae and adults. In additi ...

Tarsocera cassus

Tarsocera cassus, the spring widow, is a butterfly of the family Nymphalidae. It is found in South Africa. The wingspan is 42–52 mm for males and 50–57 mm for females. Adults are on wing from September to December with a peak in October or Novemb ...

Tarzetta cupularis

Tarzetta cupularis is a species of apothecial fungus belonging to the family Pyronemataceae. This is a species of northern Europe with occasional records from further south in Spain and Morocco. It also occurs in North America. It appears from sp ...

Tautog

The tautog, also known as the blackfish, is a species of wrasse native to the western Atlantic Ocean from Nova Scotia to South Carolina. This species inhabits hard substrate habitats in inshore waters at depths from 1 to 75 m. It is currently the ...

Tawny owl

The tawny owl or brown owl is a stocky, medium-sized owl commonly found in woodlands across much of Eurasia. Its underparts are pale with dark streaks, and the upperparts are either brown or grey. Several of the eleven recognised subspecies have ...

Telicota augias

Telicota augias, the bright-orange darter, is a butterfly of the family Hesperiidae. It is found in Australia, Papua New Guinea, Myanmar, Indonesia and the Philippines. The wingspan is about 30 mm. The larvae feed on Flagellaria indica. It constr ...

Tephrosia virginiana

Tephrosia virginiana, also known as goat-rue, goats rue, catgut, rabbit pea, and Virginia tephrosia, is a perennial dicot in family Fabaceae. This subshrub has alternate compound leaves. Its leaves are imparipinnate, with relatively wide pinnae. ...

Teredo (bivalve)

Teredo is a genus of highly modified saltwater clams which bore in wood and live within the tunnels they create. They are commonly known as "shipworms," and are marine bivalve molluscs in the taxonomic family Teredinidae. The type species is Tere ...

Teredo navalis

Teredo navalis, the naval shipworm, is a species of saltwater clam, a marine bivalve mollusc in the family Teredinidae, the shipworms. This species is the type species of the genus Teredo. Like other species in this family, this bivalve is called ...

Terellia serratulae

Terellia serratulae can reach a length of about 4–6 millimetres 0.16–0.24 in. This bluish clear-winged fruit fly has an hairy abdomen with a chequered black pattern. The apex of the antennae is reddish or yellow-orange. In the females the length ...

Terminalia catappa

Terminalia catappa is a large tropical tree in the leadwood tree family, Combretaceae, that grows mainly in the tropical regions of Asia, Africa, and Australia. Common names in English include country almond, Indian almond, Malabar almond, sea al ...

Testudo (genus)

The Mediterranean tortoises are a genus of tortoises found in North Africa, western Asia, and Europe. Several species are under threat in the wild, mainly from habitat destruction.