The Coppery-Bellied Puffleg (Eriocnemis cupreoventris) is a hummingbird in the Trochilidae family.

Coppery-Bellied Puffleg

The Coppery-Bellied Puffleg (Eriocnemis cupreoventris) is a hummingbird in the Trochilidae family.

Eriphia laevimana is a crustacean in the Cancridae family of crabs.

Crab

Eriphia laevimana is a crustacean in the Cancridae family of crabs.

The ermine (Mustela erminea) is a small mammal in the Mustelidae family of weasels.

Ermine

The ermine (Mustela erminea) is a small mammal in the Mustelidae family of weasels.

The Ruddy Duck (Oxyura jamaicensis) is a small stiff-tailed duck in the Anatidae family of ducks, geese, and swans.

Ruddy Duck

The Ruddy Duck (Oxyura jamaicensis) is a small stiff-tailed duck in the Anatidae family of ducks, geese,…

The Golden Trahira (Erythrinus unitaeniatus) is a fish in the Erythrinidae family of trahiras.

Golden Trahira

The Golden Trahira (Erythrinus unitaeniatus) is a fish in the Erythrinidae family of trahiras.

An illustration of liverwort (Hepatica): a, Thalloid stem with female branches; b, Thalloid stem with male branches. Hepatica is a genus of herbaceous perennial plants belonging to the buttercup family, Ranunculaceae. A native of central and northern Europe, Asia and northeastern North America, Hepatica is sometimes called liverleaf or "liverwort". It should not be confused with liverworts, which may also be called "Hepaticae". A few botanists include Hepatica within a wider interpretation of Anemone, as Anemone hepatica.

Hepatica

An illustration of liverwort (Hepatica): a, Thalloid stem with female branches; b, Thalloid stem with…

The imago stage of the Threebanded Grape Leafhopper (Erythroneura tricincta) is an insect in the Cicadellidae family of hoppers.

Threebanded Grape Leafhopper Imago

The imago stage of the Threebanded Grape Leafhopper (Erythroneura tricincta) is an insect in the Cicadellidae…

Plagiochila is a large, common, and widespread genus of liverworts in order Jungermanniales. It is a member of the family Plagiochilaceae within that order. There may be anywhere from 500 to 1300 species, most of them from the tropics; the exact number is still under revision. The genus also has a wide distribution in temperate and arctic areas.

Phagiochila

Plagiochila is a large, common, and widespread genus of liverworts in order Jungermanniales. It is a…

The imago stage of the Threebanded Grape Leafhopper (Erythroneura tricincta) is an insect in the Cicadellidae family of hoppers.

Threebanded Grape Leafhopper Imago

The imago stage of the Threebanded Grape Leafhopper (Erythroneura tricincta) is an insect in the Cicadellidae…

The pupa of the Threebanded Grape Leafhopper (Erythroneura tricincta) is an insect in the Cicadellidae family of hoppers.

Threebanded Grape Leafhopper Pupa

The pupa of the Threebanded Grape Leafhopper (Erythroneura tricincta) is an insect in the Cicadellidae…

The Javelin Sand Boa (Eryx jaculus) is a snake in the Boidae family of boas.

Javelin Sand Boa

The Javelin Sand Boa (Eryx jaculus) is a snake in the Boidae family of boas.

The Milkweed Tiger Moth (Euchaetes egle) is an insect in the Arctiidae family of tiger moths.

Milkweed Tiger Moth

The Milkweed Tiger Moth (Euchaetes egle) is an insect in the Arctiidae family of tiger moths.

A flowering branch of the Blue Gum Tree (Eucalyptus globulus), a tree in the Myrtaceae family of evergreen plants.

Blue Gum

A flowering branch of the Blue Gum Tree (Eucalyptus globulus), a tree in the Myrtaceae family of evergreen…

Eucharis americana is an insect in the Chalcididae family of parasitic wasps.

Chalcid Wasp

Eucharis americana is an insect in the Chalcididae family of parasitic wasps.

"A pelagic family of radioflagellate infusorians, typified by the genus Euchitonia. The animalcules are free-floating." -Whitney, 1911

Euchitonia

"A pelagic family of radioflagellate infusorians, typified by the genus Euchitonia. The animalcules…

Eudendrium cochleatum is a hydrozoan marine animal in the Eudendriidae family.

Eudendrium

Eudendrium cochleatum is a hydrozoan marine animal in the Eudendriidae family.

The Southern Rockhopper Penguin (Eudyptes chrysocome) is a bird in the Spheniscidae family of penguins.

Southern Rockhopper Penguin

The Southern Rockhopper Penguin (Eudyptes chrysocome) is a bird in the Spheniscidae family of penguins.

Euchone elegans is a species of marine worms in the family, Terebellidae, sometimes known as spaghetti worms.

Euchone

Euchone elegans is a species of marine worms in the family, Terebellidae, sometimes known as spaghetti…

Euglena viridis is a species of unicellular protists in the Euglenaceae family of flagellate organisms.

Euglena

Euglena viridis is a species of unicellular protists in the Euglenaceae family of flagellate organisms.

The Hill Myna (Gracula religiosa) is a myna bird in the Sturnidae family of starlings.

Hill Myna

The Hill Myna (Gracula religiosa) is a myna bird in the Sturnidae family of starlings.

Eumenes fraterna is a species of potter wasps in the Vespidae family of wasps.

Potter Wasp

Eumenes fraterna is a species of potter wasps in the Vespidae family of wasps.

The Steller Sea Lion (Eumetopias jubatus) is a large pinniped in the Otariidae family of eared seals. It is also known as the northern sea lion with the synonym Eumetopias stelleri.

Steller Sea Lion

The Steller Sea Lion (Eumetopias jubatus) is a large pinniped in the Otariidae family of eared seals.…

The anaconda (Eunectes murinus) is a non-venomous snake in the Boidae family of boas.

Anaconda

The anaconda (Eunectes murinus) is a non-venomous snake in the Boidae family of boas.

Eupelmus floridanus is a species of Chalcid wasp, a parasitic insect in the Eupelmidae family.

Chalcid Wasp

Eupelmus floridanus is a species of Chalcid wasp, a parasitic insect in the Eupelmidae family.

The Ayapana (Ayapana triplinervis) is a flowering shrub in the Asteraceae family of daisies.

Ayapana

The Ayapana (Ayapana triplinervis) is a flowering shrub in the Asteraceae family of daisies.

The falanouc (Eupleres goudotii) is a cat-like mammal in the Eupleridae family of fossas and mongooses.

Falanouc

The falanouc (Eupleres goudotii) is a cat-like mammal in the Eupleridae family of fossas and mongooses.

"Eupsamma. A genus of perforate stone-corals, as E. brongniartiana (shown here), of the family Eupsammidae." -Whitney, 1911

Eupsamma

"Eupsamma. A genus of perforate stone-corals, as E. brongniartiana (shown here), of the family Eupsammidae."…

The Speckled Sea Louse (Eurydice pulchra) is a parasitic crustacean in the Cirolanidae family.

Speckled Sea Louse

The Speckled Sea Louse (Eurydice pulchra) is a parasitic crustacean in the Cirolanidae family.

Eurygaster alternatus is an insect species in the Pentatomidae family of stink bugs and shield bugs.

Stink Bug

Eurygaster alternatus is an insect species in the Pentatomidae family of stink bugs and shield bugs.

A bulrush, part of the sedge family, common on borders of salt and fresh ponds and streams, <em>Scirpus americanus</em>.

Bulrush

A bulrush, part of the sedge family, common on borders of salt and fresh ponds and streams, Scirpus

A leaf of arrowhead (<em>Sagittaria</em>), a member of the water-plantain family, growing abundantly in swamps.

Arrowhead

A leaf of arrowhead (Sagittaria), a member of the water-plantain family, growing abundantly…

Cotton grass, a member of the sedge family.

Cotton Grass

Cotton grass, a member of the sedge family.

The Spoon-Billed Sandpiper (Eurynorhynchus pygmeus) is a small wading bird in the Scolopacidae family of waders.

Spoon-Billed

The Spoon-Billed Sandpiper (Eurynorhynchus pygmeus) is a small wading bird in the Scolopacidae family…

The female chalcid wasp (Eurytoma prunicola) is a parasitoid in the family Chalcididae.

Female Chalcid Wasp

The female chalcid wasp (Eurytoma prunicola) is a parasitoid in the family Chalcididae.

The male chalcid wasp (Eurytoma prunicola) is a parasitoid in the family Chalcididae.

Male Chalcid Wasp

The male chalcid wasp (Eurytoma prunicola) is a parasitoid in the family Chalcididae.

The Australian Roller (Eurystomas pacificus) is an Old World bird in the Coraciidae family.

Australian Roller on Branch

The Australian Roller (Eurystomas pacificus) is an Old World bird in the Coraciidae family.

The White-Tipped Sicklebill (Eutoxeres aquila) is a bird in the Trochilidae family of hummingbirds.

White-Tipped Sicklebill Hummingbird

The White-Tipped Sicklebill (Eutoxeres aquila) is a bird in the Trochilidae family of hummingbirds.

The dorsal view of the Ensign Wasp (Evania laevigata), an insect in the Evaniidae family.

Dorsal View of Ensign Wasp

The dorsal view of the Ensign Wasp (Evania laevigata), an insect in the Evaniidae family.

The dorsal view of the Ground Beetle (Evarthrus orbatus), an insect in the Carabidae family of carabid beetles.

Dorsal View of Ground Beetle

The dorsal view of the Ground Beetle (Evarthrus orbatus), an insect in the Carabidae family of carabid…

A Snail Kite (Rostrhamus sociabilis) is a bird of prey native to Florida in the Accipitridae family also known as the Everglade Kite.

Snail Kite on Branch

A Snail Kite (Rostrhamus sociabilis) is a bird of prey native to Florida in the Accipitridae family…

The Northern Red-Backed Vole (Myodes rutilus) is a small mammal in the Cricetidae family of rodents.

Northern Red-Backed Vole

The Northern Red-Backed Vole (Myodes rutilus) is a small mammal in the Cricetidae family of rodents.

The Yellow-Tailed Tachina Fly (Belvosia unifasciata) is an insect in the Tachinidae family and is also known as the synonym Exorista flavicauda.

Yellow-Tailed Tachina Fly

The Yellow-Tailed Tachina Fly (Belvosia unifasciata) is an insect in the Tachinidae family and is also…

A minuteman with his wife and son looks into the distance as he prepares to fight within a minute's notice.

Minuteman Ready to Fight

A minuteman with his wife and son looks into the distance as he prepares to fight within a minute's…

(1832-1867) A member of Austria's Imperial Habsburg-Lorraine family, Maximilian was proclaimed Emperor of Mexico in 1864.

Maximilian I, Emperor of Mexico

(1832-1867) A member of Austria's Imperial Habsburg-Lorraine family, Maximilian was proclaimed Emperor…

The fava bean plant (Vicia faba or Faba vulgaris) is a flowering plant in the Fabaceae family of legumes.

Fava Bean

The fava bean plant (Vicia faba or Faba vulgaris) is a flowering plant in the Fabaceae family of legumes.

The Gyrfalcon (Falco rusticolus) is a predatory bird in the Falconidae family of falcons and caracaras. The synonym Falco gyrfalco was once used.

Gyrfalcon

The Gyrfalcon (Falco rusticolus) is a predatory bird in the Falconidae family of falcons and caracaras.…

The Tarantula Wolf Spider (Lycosa tarantula) is an arachnid in the Lycosidae family of wolf spiders. f, falces.

Tarantula Wolf Spider

The Tarantula Wolf Spider (Lycosa tarantula) is an arachnid in the Lycosidae family of wolf spiders.…

The Mud Snake (Farancia abacura) is a reptile in the Colubridae family of colubrid snakes native to the southeastern United States.

Mud Snake Slithering through Grass

The Mud Snake (Farancia abacura) is a reptile in the Colubridae family of colubrid snakes native to…

The shell of the Tulip Snail (Fasciolaria tulipa), a gastropod in the Fasciolariidae family of tulips and spindles.

Shell of the Tulip Snail

The shell of the Tulip Snail (Fasciolaria tulipa), a gastropod in the Fasciolariidae family of tulips…

The California Sheephead (Semicossyphus pulcher) is a fish in the Labridae family of wrasses.

California Sheephead

The California Sheephead (Semicossyphus pulcher) is a fish in the Labridae family of wrasses.

The Fennec Fox (Vulpes zerda) is a nocturnal fox in the Canidae family of canines.

Fennec Fox

The Fennec Fox (Vulpes zerda) is a nocturnal fox in the Canidae family of canines.

The Common Male Fern (Dryopteris filix-mas) is a species of male fern in the Dryopteridaceae family.

Common Male Fern

The Common Male Fern (Dryopteris filix-mas) is a species of male fern in the Dryopteridaceae family.

The ferret (Mustela putorius furo) is a carnivorous mammal in the Mustelidae family of weasels.

Ferret in the Wild

The ferret (Mustela putorius furo) is a carnivorous mammal in the Mustelidae family of weasels.

The male Fidonia faxoni, an species from the Geometridae family of geometer moths.

Male Geometer Moth

The male Fidonia faxoni, an species from the Geometridae family of geometer moths.

The female Fidonia faxoni, an species from the Geometridae family of geometer moths.

Female Geometer Moth

The female Fidonia faxoni, an species from the Geometridae family of geometer moths.

The Grape Rootworm Beetle (Fidia viticida) is an insect in the Chrysomelidae family of leaf beetles.

Grape Rootworm Beetle

The Grape Rootworm Beetle (Fidia viticida) is an insect in the Chrysomelidae family of leaf beetles.

The fieldfare (Turdus pilaris) is a bird in the Turdidae family of thrushes.

Fieldfare Perched on Branch

The fieldfare (Turdus pilaris) is a bird in the Turdidae family of thrushes.

The field sparrow (Spizella pusilla) is a songbird in the Emberizidae family of American sparrows.

Field Sparrow Singing

The field sparrow (Spizella pusilla) is a songbird in the Emberizidae family of American sparrows.

The shell of the Fig Shell Snail (Ficula ficus), a sea snail in the Ficidae family.

Fig Shell

The shell of the Fig Shell Snail (Ficula ficus), a sea snail in the Ficidae family.

The Orange Filefish (Aluterus schoepfii) is a species of fish in the Monacanthidae family of filefish, also known as foolfish.

Orange Filefish

The Orange Filefish (Aluterus schoepfii) is a species of fish in the Monacanthidae family of filefish,…