Free Digital Guides

These mini-guides are only possible because of grants, donations, and memberships. If you like them, please consider making a donation or becoming a member.

Jack Pine (Pinus banksiana) & Pitch Pine (Pinus rigida)
Jack Pine (Pinus banksiana) & Pitch Pine (Pinus rigida)
Downy Woodpecker and Hairy Woodpecker
Downy Woodpecker and Hairy Woodpecker
Sheep Laurel (Kalmia angustifolia) & Bog Laurel (Kalmia polifolia)
Sheep Laurel (Kalmia angustifolia) & Bog Laurel (Kalmia polifolia)
Mastocarpus stellatus (Grape Pip Weed) and Chondrus crispus (Irish Moss)
Mastocarpus stellatus (Grape Pip Weed) and Chondrus crispus (Irish Moss)
Rhodomela confervoides (Straggly bush weed) and Dasysiphonia japonica (Siphoned Japan weed)
Rhodomela confervoides (Straggly bush weed) and Dasysiphonia japonica (Siphoned Japan weed)
Balsam Fir (Abies balsamea), White Spruce (Picea glauca), & Red Spruce (Picea rubens)
Balsam Fir (Abies balsamea), White Spruce (Picea glauca), & Red Spruce (Picea rubens)
American Tree Sparrow (Spizelloides arborea) and Chipping Sparrow (Spizella passerina)
American Tree Sparrow (Spizelloides arborea) and Chipping Sparrow (Spizella passerina)
Fucus vesiculosus (Bladder Wrack), Fucus distichus ssp. edentatus (Two-headed Wrack), and Fucus spiralis (Spiral Wrack)
Beach-head Iris (Iris hookeri) and Blue Iris (Iris versicolor)
Beach-head Iris (Iris hookeri) and Blue Iris (Iris versicolor)
Cedar Waxwing (Bombycilla cedrorum) and Bohemian Waxwing (Bombycilla garrulus)
Cedar Waxwing (Bombycilla cedrorum) and Bohemian Waxwing (Bombycilla garrulus)
Red Fox (Vulpes vulpes) and Gray Fox (Urocyon cinereoargenteus) Tracks
Red Fox (Vulpes vulpes) and Gray Fox (Urocyon cinereoargenteus) Tracks
Quaking Poplar (Populus tremuloides), Big-toothed Poplar (Populus grandidentata), Balsam Poplar (Populus balsamifera)
Quaking Poplar (Populus tremuloides), Big-toothed Poplar (Populus grandidentata), Balsam Poplar (Populus balsamifera)
House Finch (Haemorhous mexicanus) and Purple Finch (Haemorhous purpureus)
House Finch (Haemorhous mexicanus) and Purple Finch (Haemorhous purpureus)
Raven (Corvus corax) and Crow (Corvus brachyrhynchos)
Raven (Corvus corax) and Crow (Corvus brachyrhynchos)
Black Elderberry (Sambucus nigra) and Red Elderberry (Sambucus racemosa)
Black Elderberry (Sambucus nigra) and Red Elderberry (Sambucus racemosa)
Red Pine (Pinus resinosa) and Eastern White Pine (Pinus strobus)
Red Pine (Pinus resinosa) and Eastern White Pine (Pinus strobus)
Orchids: Dragon's- mouth (Arethusa bulbosa), Tuberous Grass-pink (Calopogon tuberosus), and Rose Pogonia (Pogonia ophioglossoides)
Orchids: Dragon's- mouth (Arethusa bulbosa), Tuberous Grass-pink (Calopogon tuberosus), and Rose Pogonia (Pogonia ophioglossoides)
Paper Birch (Betula papyrifera), Gray Birch (Betula populifolia), and Mountain Paper Birch (Betula cordifolia)
Paper Birch (Betula papyrifera), Gray Birch (Betula populifolia), and Mountain Paper Birch (Betula cordifolia)
Sweet White Violet (Viola blanda) and Smooth White Violet (Viola pallens)
Sweet White Violet (Viola blanda) and Smooth White Violet (Viola pallens)
Great Horned Owl
Great Horned Owl
Barred Owl
Leathesia marina (Sea Cauliflower) & Colpomenia peregrina (Oyster Thief)
Leathesia marina (Sea Cauliflower) & Colpomenia peregrina (Oyster Thief)
Ruffed Grouse & Spruce Grouse
Ruffed Grouse & Spruce Grouse
Hay-scented Fern vs. New York Fern
Hay-scented Fern and New York Fern
One-flowered Indian-pipe (Monotropa uniflora) & Yellow Pine-sap (Hypopitys monotropa)
One-flowered Indian-pipe (Monotropa uniflora) & Yellow Pine-sap (Hypopitys monotropa)
Membranoptera fabriciana (Winged Weed) and Euthora cristata (Crested Spermwell)
Membranoptera fabriciana (Winged Weed) and Euthora cristata (Crested Spermwell)
White Clover (Trifolium repens) & Alsike Clover (Trifolium hybridum)
White Clover (Trifolium repens) & Alsike Clover (Trifolium hybridum)
Large Cranberry (Vaccinium macrocarpon) & Small Cranberry (Vaccinium oxycoccos)
Large Cranberry (Vaccinium macrocarpon) & Small Cranberry (Vaccinium oxycoccos)