Species library

Hardwood Stump Borer

Mallodon dasystomus

A titan of the backyard woodpile, the Hardwood Stump Borer is a glossy, heavy-bodied beetle famous for its massive ma...

Insects

Harlequin Duck

Histrionicus histrionicus

Known as the 'painted duck,' the Harlequin thrives in the most violent waters on the planet. From mountain rapids to ...

Birds

Harp Seal

Pagophilus groenlandicus

The Harp Seal is the ultimate icon of the Arctic, famous for its striking saddleback markings and snowy-white pups. T...

Mammals

Harris' Antelope Squirrel

Ammospermophilus harrisii

A master of desert survival, the Harris' Antelope Squirrel thrives in the heat of the Sonoran Desert. With its striki...

Mammals

Harris's Hawk

Parabuteo unicinctus

The world's most social raptor, the Harris's Hawk, hunts in packs like a wolf and perches in stacks. Spot these chest...

Birds

Harris's Sparrow

Zonotrichia querula

Meet Canada's only endemic breeding bird and the king of the Great Plains winter thickets. With its bold black mask a...

Birds

Hartebeest

Alcelaphus buselaphus

With their remarkably long faces and high-shouldered silhouettes, the Hartebeest is one of Africa’s most distinctive ...

Mammals

Hartlaub's Gull

Chroicocephalus hartlaubii

Hartlaub's Gull is the charismatic 'city gull' of Southern Africa, known for its dainty features and bold personality...

Birds

Harvey's Duiker

Cephalophorus harveyi

A flash of chestnut in the forest shadows, Harvey's Duiker is a master of the African undergrowth. This elegant, smal...

Mammals

Hauxwell's Thrush

Turdus hauxwelli

A secretive songbird of the Amazonian understory, Hauxwell's Thrush is celebrated for its warm, earthy plumage and fl...

Birds

Hawksbill Sea Turtle

Eretmochelys imbricata

With its stunning 'tortoiseshell' pattern and a beak like a bird of prey, the Hawksbill is the most beautiful—and mos...

Reptiles

Heath Grasshopper

Chorthippus vagans

A master of camouflage in the sun-drenched heath, the Heath Grasshopper is a rare gem of the late summer. Known for i...

Insects

Heath Spittlebug

Clastoptera saintcyri

Look closely at the stems of your berry bushes and you might find a cluster of tiny bubbles—the secret fortress of th...

Insects

Heaviside's Dolphin

Cephalorhynchus heavisidii

The Heaviside's Dolphin is a rare, small cetacean found only in the cold waters of southwest Africa. Known for its pl...

Mammals

Helmeted Guineafowl

Numida meleagris

The Helmeted Guineafowl is nature's most stylish alarm system, decked out in charcoal-and-white polka dots and a stri...

Birds

Helmeted Pygmy-Tyrant

Lophotriccus galeatus

A pint-sized marvel of the tropical canopy, the Helmeted Pygmy-Tyrant is famous for its spiky 'mohawk' crest and rest...

Birds

Helmeted Turtle

Pelomedusa subrufa

The African Helmeted Turtle is a prehistoric-looking survivor capable of outlasting the harshest droughts. With its u...

Reptiles

Hemispherical Scale

Saissetia coffeae

Resembling tiny, polished mahogany helmets, the Hemispherical Scale is a master of the stationary life. These glossy ...

Insects

Hemlock Woolly Adelgid

Adelges tsugae

The Hemlock Woolly Adelgid may be tiny, but its impact on our forests is monumental. Identifiable by the white, cotto...

Insects

Hen Harrier

Circus cyaneus

Affectionately known as the 'Grey Ghost' in its male form, the Hen Harrier is a spectral hunter of the open plains. W...

Birds

Henslow's Sparrow

Centronyx henslowii

A secretive treasure of the American prairie, Henslow's Sparrow is a master of camouflage known for its olive-green h...

Birds

Hepatic Tanager

Piranga flava

A striking resident of the mountain pine-oak forests, the Hepatic Tanager is distinguished by its deep brick-red plum...

Birds

Herald Petrel

Pterodroma heraldica

A master of the southern winds, the Herald Petrel is a mysterious wanderer of the South Pacific and Indian Oceans. Wi...

Birds

Hermit Thrush

Catharus guttatus

A champion of the forest floor, the Hermit Thrush is celebrated for its hauntingly beautiful song and resilient spiri...

Birds

Hermit Warbler

Setophaga occidentalis

A hidden gem of the Pacific evergreens, the Hermit Warbler dazzles with its brilliant yellow face and elusive canopy-...

Birds

Hewitt's Red Rockhare

Pronolagus saundersiae

A master of the mountain peaks, Hewitt's Red Rockhare is a shy but striking inhabitant of the Southern African crags....

Mammals

Hickory Shad

Alosa mediocris

The Hickory Shad is a silver-scaled acrobat of the Atlantic coast, celebrated for its spirited leaps and epic spring ...

Fish

Highland Guan

Penelopina nigra

A rare and striking resident of Central America's misty cloud forests, the Highland Guan is known for its glossy blac...

Birds

Himalayan Cuckoo

Cuculus saturatus

The Himalayan Cuckoo is a ghost of the high-altitude forests, known for its rhythmic four-note song and its fascinati...

Birds

Himalayan Griffon

Gyps himalayensis

The Himalayan Griffon is a titan of the alpine skies, boasting a wingspan that can reach over ten feet. As the primar...

Birds

Himalayan Striped Squirrel

Tamiops mcclellandii

With its racing-stripe markings and charming white ear tufts, the Himalayan Striped Squirrel is one of Asia's most ch...

Mammals

Himalayan Tahr

Hemitragus jemlahicus

A master of the vertical world, the Himalayan Tahr is an iconic mountain goat-antelope known for its shaggy mane and ...

Mammals

Hispaniolan Emerald

Riccordia swainsonii

A jewel of the Caribbean, the Hispaniolan Emerald is a master of aerial acrobatics endemic to the island of Hispaniol...

Birds

Hispaniolan Mango

Anthracothorax dominicus

A velvet-chested jewel of the Caribbean, the Hispaniolan Mango is a striking endemic hummingbird that brings vibrant ...

Birds

Hispid Cotton Rat

Sigmodon hispidus

The Hispid Cotton Rat is the 'architect' of the undergrowth, famous for weaving intricate grass tunnels. This bristly...

Mammals

Hoary Edge

Cecropterus lyciades

Meet the Hoary Edge, a swift and elusive forest-edge specialist famous for the 'frosted' white patches on its wings. ...

Insects