- Lake Superior – ES Lake Management Group
- Aster at Kenston Lake Stream Restoration, Bainbridge, OH
- White-tailed deer – Odocoileus virginianus – in Summit County, OH
- Bear Tracks
- Canyonlands National Park, UT
- Cardinal perched on tree
- Coyote caught on trail camera
- Coyote drinking from stream
- Deer caught on trail camera
- Flowering dogwood – Cornus florida
- Hellbender – Cryptobranchus alleganiensis
- Eastern Hellbender – Cryptobranchus alleganiensis
- Eastern Hellbender – Cryptobranchus alleganiensis
- Red Eft/Red-spotted Newt – Notophthalmus viridescens
- Spotted Darter – Etheostoma maculatum (male)
- Orangethroat Darter- Etheostoma spectabile
- Varigate Darter – Etheostoma variatum
- Waterspout in Mobile, AL
- Juvenile Turtle
- Musk Thistle – Carduus nutans
- Frog underwater
- Yellow Lichen
- Lichen on tree
- Gray tree frog – Hyla versicolor
- Gauley River, West Virginia
- Greenfin Darter – Etheostoma chlorobranchium
- Greenfin Darter – Etheostoma chlorobranchium
- Harmful Algal Bloom – Cyanobacteria
- Hellbender – Cryptobranchus alleganiensis
- Striped Shiners – Luxilus chrysocephalus
- Invasive Zebra Mussels attached to a Pink Heelsplitter
- Luna Moth – Actias luna (Saturniidae), Clay County, WV
- Molting Stonefly – Stonefly exuvia (Perlidae: Plecoptera)
- Northern Hogsucker, Little Beaver Creek – Hypentelium nigricans
- Hellbender – Cryptobranchus alleganiensis
- Stonecat – Noturus flavus
- Cuyahoga River during winter; Ohio
- White-marked Tussock Moth Caterpillar – Orgyia leucostigma (Lymantriidae)
- Black Rat Snake- Pantherophis obsoletus – Clay County, WV
- Blue Damselfly – Calopterygidae (Calopteryx)
- Pink Lady Slipper; Moccasin Flower – Cypripedium acaule)
- Purple Pitcher Plants (Sarracenia purpurea)
- Racoons in a tree
- River Chub – Nocomis micropogon
- River Chub – Nocomis micropogon
- Skunk Cabbage – Symplocarpus foetidus
- White Trillium – Trillium grandiflorum
- Violets – Viola reichenbachiana
- Warpaint Shiner – Luxilus coccogenis)
- Frog spotted in a wetland at Freedom Trail, OH
- Wild Turkeys – Meleagris gallaparo) – caught on trail camera
- Wolf’s Milk/Pink Slime Mold/Toothpaste Mold – Lycogala epidendrum
- Stonecat – Noturus flavus – under a rock
- Wavy-rayed Lampmussel – Lampsilis fasciola – displaying its lure during a mussel survey
- Greenfin Darter – Etheostoma chlorobranchium
- Salamandar (Caudata)
- Brown-headed cowbird invades nest; brood parasitism
- Gray tree frog – Hyla versicolor
- Snapping turtle – Chelydra serpentina
- Big Brown Bat – Eptesicus fuscus
- Snowshoe Hare – Lepus americanus
- Male Eastern Box Turtle – Terrapene carolina carolina
- Male Eastern Box Turtle – Terrapene carolina carolina
- Gray Tree Frog – Hyla versicolor
- Harmful Algal Bloom – CyanoBacteria – Blue-Green Algae
- Brown Orb Weaver (Araneidae)
- Ruby Meadowhawk – Sympetrum rubicundulum (Libellulidae)
- Praying Mantis
- Short-horned grasshoppers (Acrididae)
- Coastline
- Coastline
- Endangered Indiana Bat – Myotis sodalis
- Amphibian Survey – American Toad – Anaxyrus americanus
- Northern Brown Snake – Storeria dekayi dekayi
- Endangered Little Brown Bat – Myotis lucifugus
- Longear Sunfish (Lepomis megalotisa) AL, fish sampling
- Marsh Marigold – Caltha palustris
- MN Bird Survey
- Moncarch Butterflies – Danaus plexippus (Nymphalidae)
- North American Millipede – Narceus americanus
- Northern Hogsucker, Little Beaver Creek – Hypentelium nigricans
- Ohio Lamprey Oral Disk, Allegheny River – Petromyzon marinus
- Amphibian Survey
- Ohio Lamprey found while electrofishing; fish survey
- Paw Paw
- Pickerel Frog, Clay County WV; Amphibian Survey
- Eastern Red-spotted Newt
- Paddlefish; Fish Survey
- Frog spawn
- Freshwater mussel
- Wetland
- Running Buffalo Clover – Trifolium stoloniferum
- Zebra Swallowtail – Eurytides marcellus ( Papilionidae)
- Paw Paw Flower
- Red Eft/Red-spotted Newt – Notophthalmus viridescens
- Red Eft/Red-spotted Newt – Notophthalmus viridescens
- Red Eft/Red-spotted Newt, Clay County, WV
- Prairie Installation
- Prairie Installation
- Great Blue Lobelia – Lobelia siphilitica
- New England Aster at Prairie Installation
- New England Aster at Prairie Installation
- Stream in Portsmouth, OH
- Violet Wood Sorrel – Oxalis violacea – Pike County, OH
- Western Larch Pine Cone – Larix occidentalis
- Black Ratsnake eating squirrel
- Zebra Swallowtail – Eurytides marcellus ( Papilionidae)
- Striped Yellow & Black Locust Borer – Megacyllene robiniae
- Stonefly – Pteronarcys (Pteronarcyidae)
- Stag Beetle – Lucanus capreolus (Lucanidae)
- Snake in a tree
- Snail on a tree
- Shagbark Hickory Trees; Roost sites for endangered Indiana Bat
- Bald Eagle – Haliaeetus leucocephalus
- Halloween pennant (Celithemis eponina)
- Iris brevicauda
- Iris virginiana
- Tim Walters teaching
- Widow Skimmer female (Libellula luctuosa)
- Hyperbaric Chamber Diving Operations
- Widow Skimmer
- Button Bush
- Virgin Tiger Moth – Grammia virgo
- Virgin Tiger Moth – Grammia virgo
- Stonefly – Pterphmarcys spp – collected during an ES macroinvertebrate survey
- Spanish Mackerel –Scomberomorus maculatus collected for Human Health sample during USEPA NCCA
- Southern Flounder –Paralichthys lethostigma collected for Human Health Sample during USEPA NCCA
- Red Salamander – Pseudotriton ruber
- Pickerel Frog – Lithobates palustris observed during an ES wetland survey
- Northern Zigzag Salamander – Plethodon dorsalis
- Ohio Lamprey – Ichthyomyzon bdellium on the Alleghany River
- Bottom: One year after wetland restoration in McDavid, FL
- Brooke Trout – Salvelinus fotinalis collected during an ES electrofishing survey
- Rainbow Mussel – Villosa iris in the Collins River, TN
- Timber Rattlesnake –Crotalus horridus