Species library

Bee Hummingbird

Mellisuga helenae

Meet the smallest bird on the planet—a feathered jewel no larger than a thumb. Endemic to Cuba, the Bee Hummingbird i...

Birds

Beech Bark Scale

Madarococcus fagicorticis

A tiny architect of the forest, the Beech Bark Scale transforms New Zealand's beech trunks into a sugary buffet for n...

Insects

Beech Blight Aphid

Grylloprociphilus imbricator

Nicknamed the 'boogie-woogie aphid' for its synchronized dancing, this tiny insect turns American Beech branches into...

Insects

Beech Scale

Cryptococcus fagisuga

Hidden beneath a blanket of white wax, the Beech Scale is a tiny architect of forest change. While individual insects...

Insects

Beet Armyworm Moth

Spodoptera exigua

A master of nighttime disguise, the Beet Armyworm Moth is a world-traveling survivor found in backyards across the gl...

Insects

Belding's Ground Squirrel

Urocitellus beldingi

Famous for their 'picket-pin' posture and piercing alarm calls, these social mountain residents are the sentries of t...

Mammals

Bell’s Hingeback Tortoise

Kinixys belliana

Meet Africa’s 'transformer' tortoise, a resilient survivor known for its unique hinged shell and love for the rainy s...

Reptiles

Bell's Sparrow

Artemisiospiza belli

A master of the California chaparral, Bell's Sparrow is a charming bird of the brush known for its 'tail-up' running ...

Birds

Bell's Vireo

Vireo bellii

The Bell's Vireo is a master of camouflage, blending perfectly into the dense thickets it calls home. Famous for its ...

Birds

Belted Kingfisher

Megaceryle alcyon

With its shaggy crest and piercing rattle, the Belted Kingfisher is the master of the waterfront. This expert diver i...

Birds

Bendire's Shrew

Sorex bendirii

Witness the 'Jesus Shrew' of the Pacific Northwest—a sleek, dark-furred diver that can literally run on water. This e...

Mammals

Bendire's Thrasher

Toxostoma bendirei

A hidden gem of the American Southwest, Bendire's Thrasher is a master of the desert scrub. With its golden eyes and ...

Birds

Bengal Monitor

Varanus bengalensis

The Bengal monitor is the undisputed king of the backyard reptilian world. This intelligent, powerful predator is as ...

Reptiles

Bengal Sacred Langur

Semnopithecus entellus

Revered for centuries and recognizable by its striking black face and silvery coat, the Bengal Sacred Langur is an ic...

Mammals

Bengal Sergeant

Abudefduf bengalensis

A striking resident of the Indo-Pacific's shallowest reefs, the Bengal Sergeant is a master of the surge zone. With i...

Fish

Berberis Sawfly

Arge berberidis

A striking metallic garden visitor known for its specialized diet and distinctive spotted larvae. The Berberis Sawfly...

Insects

Berg Adder

Bitis atropos

The Berg Adder is the rugged mountaineer of the snake world, perfectly adapted to the thin air and rocky crags of Sou...

Reptiles

Beryl-spangled Tanager

Tangara nigroviridis

A shimmering jewel of the cloud forest, the Beryl-spangled Tanager dazzles with its metallic, scaled plumage. This en...

Birds

Berylline Hummingbird

Saucerottia beryllina

A dazzling jewel of the mountain woodlands, the Berylline Hummingbird captivates with its shimmering emerald plumage ...

Birds

Besra

Tachyspiza virgata

A stealthy ghost of the Asian forests, the Besra is a master of ambush and aerial agility. This small but fierce spar...

Birds

Bewick's Wren

Thryomanes bewickii

With its bold white eyebrow and spirited personality, the Bewick's Wren is a master of the garden thicket. This energ...

Birds

Bibron's Thick-toed Gecko

Chondrodactylus bibronii

The heavyweight champion of southern African geckos, Bibron's Thick-toed Gecko is a master of camouflage and vertical...

Reptiles

Bicolor Blenny

Ecsenius bicolor

A pint-sized powerhouse of personality, the Bicolor Blenny is a vibrant jewel of the Indo-Pacific reefs, known for it...

Fish

Bicolor Damselfish

Stegastes partitus

The Bicolor Damselfish is the tiny, two-toned 'gardener' of the Caribbean reefs. While small in stature, this feisty ...

Fish

Bicolored Sallow

Sunira bicolorago

A late-autumn gem of the insect world, the Bicolored Sallow braves the cooling nights of fall. With its striking two-...

Insects

Big Greasy

Cressida cressida

The Big Greasy is a one-of-a-kind swallowtail known for its unique, see-through wings. A slow-flying beauty of the Au...

Insects

Big Skate

Beringraja binoculata

The largest skate in North American waters, the Big Skate is a ghostly giant of the seafloor known for its massive wi...

Fish

Bigeye Chub

Hybopsis amblops

A sparkling jewel of clean American streams, the Bigeye Chub is defined by its massive, soulful eyes and its preferen...

Fish

Bigeye Shiner

Miniellus boops

A striking, large-eyed minnow that serves as a living thermometer for stream health. These shimmering silver resident...

Fish

Bigeye Trevally

Caranx sexfasciatus

A shimmering sentinel of the tropical reef, the Bigeye Trevally is famous for forming breathtaking 'fish tornados' by...

Fish

Bigeye Tuna

Thunnus obesus

A deep-diving titan of the open ocean, the Bigeye Tuna is a marvel of biological engineering. With its massive eyes a...

Fish

Bighorn Sheep

Ovis canadensis

Master of the mountain peaks, the Bighorn Sheep is a symbol of the American West's rugged spirit. Known for their mas...

Mammals

Black Agouti

Dasyprocta fuliginosa

Meet the Amazon's most industrious gardener. With its sleek black coat and incredible speed, the Black Agouti is a vi...

Mammals

Black-and-white Warbler

Mniotilta varia

Often mistaken for a nuthatch due to its unique habit of scurrying up and down tree trunks, the Black-and-white Warbl...

Birds

Black-and-yellow Rockfish

Sebastes chrysomelas

A vibrant sentinel of the Pacific kelp forests, the Black-and-yellow Rockfish is a master of camouflage and territory...

Fish

Black-and-yellow Tanager

Chrysothlypis chrysomelas

A radiant flash of gold and obsidian, the Black-and-yellow Tanager is a jewel of the Central American cloud forests. ...

Birds