two animals images - Joel Sartore

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ANI066-00163

A pair of white-eyed giant leaf-tailed gecko
(Uroplatus giganteus) at Riverbanks Zoo and Garden.
The male is larger and more brown, on left. Female is smaller and lighter in color.
This species is listed as vulnerable by IUCN.

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ANI066-00162

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ANI066-00161

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INS022-00066

A pair of unidentified spiketail dragonfly nymph (Cordulegastridae sp.) collected by the West Liberty University Crayfish Conservation Lab.

This insect was collected from Davis, West Virginia.

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ANI031-00223

Juvenile eastern cottontail rabbits (Sylvilagus floridanus) at the Carolina Wildlife Center, a place that rescues and rehabilitates injured and orphaned wildlife.

They get about 3,700 wildlife patients a year, from gray squirrels to opossums to songbirds.

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INV006-00080

A pair of Duck River dartersnapper (Epioblasma ahlstedti) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.

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INV006-00079

Two Duck River dartersnapper (Epioblasma ahlstedti) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL.

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INV006-00076

A pair of little spectaclecase (Villosa lienosa) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.

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INV006-00075

A pair of little spectaclecase (Villosa lienosa) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.

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INV006-00047

A pair of critically endangered southern combshells (Epioblasma penita) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.

The female is smaller, on the right.

This animal is only found in 15 miles of the Butthatche River in Alabama and Mississippi.

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INV006-00046

A pair of critically endangered southern combshells (Epioblasma penita) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.

The female is smaller, on the right.

This animal is only found in 15 miles of the Butthatche River in Alabama and Mississippi.

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INV004-00097

Two riffle elimia (Elimia clara) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL.

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INV004-00096

Two riffle elimia (Elimia clara) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL.

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INV004-00093

Two round rocksnail (Leptoxis ampla) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL. This species is listed as vulnerable by IUCN.

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INV004-00080

A pair of spotted rocksnails (Leptoxis picta) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.

This species is listed as Vulnerable on the IUCN Red List.

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INV004-00079

A pair of spotted rocksnails (Leptoxis picta) at the Alabama Aquatic Biodiversity Center in Marion, Alabama.

This species is listed as Vulnerable on the IUCN Red List.

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FIS039-00162

Two male redline darters (Etheostoma rufilineatum) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL. This fish was collected from Butler Creek, Lauderdale County, AL.

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FIS017-00171

Two frecklebelly madtom (Noturus munitus) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL. This fish was collected from the Cahaba River, Perry County, AL.

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FIS017-00170

Two frecklebelly madtom (Noturus munitus) photographed at the Alabama Aquatic Biodiversity Center in Marion, AL. This fish was collected from the Cahaba River, Perry County, AL.

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INV004-00071

Olive nerite snails (Neritina reclivata) at Conservation Fisheries in Knoxville, Tennessee.

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FIS013-00101

Flagfin shiner (Pteronotropis signipinnis) at Conservation Fisheries in Knoxville, Tennessee.

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FIS013-00100

Two sailfin shiners (Pteronotropis hypselopterus) at Conservation Fisheries in Knoxville, Tennessee.

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FIS005-00151

An undescribed species of Lake Phalen rainbow darter (Etheostoma cf. caeruleam) from a private collection in Knoxville, Tennessee. Unlike other rainbow darters, this population is notably distinct for it’s smaller adult size, different shade of blue, and it’s presence in a lake rather than streams. They spawn on several hundred feet of exposed rock in an urban lake in St. Paul, MN, surrounded by large residential homes.

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FIS005-00149

A citico darter (Etheostoma sitikuense) at Conservation Fisheries in Knoxville, Tennessee.

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FIS040-00028

Lined topminnows (Fundulus lineolatus) from a private collection in Knoxville, Tennessee. The male has vertical banding.

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FIS040-00027

Lined topminnows (Fundulus lineolatus) from a private collection in Knoxville, Tennessee. The male has vertical banding.

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FIS028-00112

A Gulf Coast pygmy sunfish (Elassoma gilberti) from a private collection in Knoxville, Tennessee.

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FIS028-00103

Bluefin killifish (Lucania goodei) from a private collection in Knoxville, Tennessee.

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FIS028-00101

Least killifish (Heterandria formosa) from a private collection in Knoxville, Tennessee.

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FIS013-00095

Orangetail shiner fish (Pteronotropis merlini) from a private collection in Knoxville, Tennessee.

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FIS013-00086

Rainbow shiners (Notropis chrosomus) in spawning colors, from a private collection in Knoxville, Tennessee.

This species has translucent color from pink to golden with a silver-black stripe along its flanks. The base of its fins are of a reddish color. Adult males change their color during the mating period. Their ventral fins become blue, their head turns purple and their nose turns red.