Photo of a bay-breasted warbler

    Bay-Breasted Warbler

    Setophaga castanea (formerly Dendroica castanea)
    Photo of beaked hawkweed flowers.

    Beaked Hawkweed

    Hieracium gronovii
    Photo of a beautiful wood-nymph
    image of Bee Fly on leaf

    Bee Flies

    About 800 species in North America
    Photo of beefsteak plant showing upper leaves and flower cluster

    Beefsteak Plant

    Perilla frutescens
    fork and knife icon

    Edible

    Photo of a Bell's vireo perched on a small branch.

    Bell’s Vireo

    Vireo bellii
    Photo of prairie showing big bluestem leaves and flowering stalks

    Big Bluestem

    Andropogon gerardii
    Bird's-Foot Violet
    Illustration of bitternut hickory leaves and nuts.

    Bitternut Hickory

    Carya cordiformis
    Illustration of black cherry leaves, flowers, fruits.

    Black Cherry

    Prunus serotina
    fork and knife icon

    Edible

    Illustration of black gum flowers and fruits.

    Black Gum

    Nyssa sylvatica
    fork and knife icon

    Edible

    Illustration of black haw leaves, flowers, fruit.

    Black Haw

    Viburnum prunifolium
    fork and knife icon

    Edible

    Illustration of black hickory compound leaf and fruit.

    Black Hickory

    Carya texana
    fork and knife icon

    Edible

    Illustration of black locust leaves and flowers.

    Black Locust

    Robinia pseudoacacia
    Illustration of black oak leaf.

    Black Oak

    Quercus velutina
    Photo of two black vultures standing on the ground

    Black Vulture

    Coragyps atratus
    Illustration of black walnut compound leaf and nuts.

    Black Walnut

    Juglans nigra
    fork and knife icon

    Edible

    Image of a black widow

    Black Widow Spiders

    Latrodectus mactans and L. variolus
    Venomous Icon

    Venomous

    Photo of a male black-and-white warbler perched on a branch.
    Photo of a Black-and-Yellow Lichen Moth
    Image of a Black-Bordered Lemon Moth

    Black-Bordered Lemon Moth

    Marimatha nigrofimbria
    Black-capped chickadee image showing characters for identification.

    Black-Capped Chickadee and Carolina Chickadee

    Poecile atricapillus and P. carolinensis
    Photo of a black-crowned night-heron walking in shallow water.

    Black-Crowned Night-Heron

    Nycticorax nycticorax
    Photo of several black-eyed Susan flowers.

    Black-Eyed Susan

    Rudbeckia hirta
    Photo of blackberry lily showing open and spent flowers and developing fruits.

    Blackberry Lily

    Iris domestica (formerly Belamcanda chinensis)
    Illustration of blackjack oak leaf.

    Blackjack Oak

    Quercus marilandica
    Photo of a meloe blister beetle, female, on ground

    Blister Beetles

    More than 400 species in North America north of Mexico
    Photo of bloodroot plant with flower

    Bloodroot

    Sanguinaria canadensis
    image of greenbottle fly on carcass

    Blow Flies (Bottle Flies)

    About 84 species in North America.
    Photo of blue false indigo flowering stalk

    Blue False Indigo

    Baptisia australis
    Poisonous Icon

    Poisonous

    Photo of blue jay perched on branch

    Blue Jay

    Cyanocitta cristata
    Photo of blue vervain flower clusters in a prairie

    Blue Vervain

    Verbena hastata
    Photo of blue-eyed grass flower closeup

    Blue-Eyed Grass

    Sisyrinchium campestre
    Photo of blue-eyed Mary flowers

    Blue-Eyed Mary

    Collinsia verna
    Photo of bluebells, or Virginia cowslip, plants with flowers

    Bluebells (Virginia Cowslip)

    Mertensia virginica
    Photo of bobcat

    Bobcat

    Lynx rufus
    Photo of a bold jumping spider.

    Bold Jumper

    Phidippus audax
    Illustration of box elder leaves and fruits.

    Box Elder

    Acer negundo
    Photo of a bracken fern leaf against a background of forest-floor leaf litter

    Bracken

    Pteridium aquilinum
    Photo of Bradbury beebalm plant with pale flowers

    Bradbury Beebalm

    Monarda bradburiana (sometimes M. russeliana)
    fork and knife icon

    Edible

    Illustration of bristly greenbrier leaves, flowers, fruit

    Bristly Greenbrier

    Smilax hispida (syn. S. tamnoides var. hispida)
    fork and knife icon

    Edible

    Photo of a broad beech fern

    Broad Beech Fern

    Phegopteris hexagonoptera
    Photo of a broad-winged hawk perched on a branch in the sunshine.

    Broad-Winged Hawk

    Buteo platypterus
    Bronze copper butterfly perched on a grass blade, wings closed

    Bronze Copper

    Lycaena hyllus (syn. Hyllolycaena hyllus; Lycaena thoe)
    Photograph of a Brown Creeper

    Brown Creeper

    Certhia americana
    Closeup of brown recluse spider on floor.

    Brown Recluse (Violin Spider)

    Loxosceles reclusa
    Venomous Icon

    Venomous

    Photo of a brown thrasher perched amid tree branches.

    Brown Thrasher

    Toxostoma rufum

Pages