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ID: K11259
Western whiptail lizard in habitat group
ID: K11275
Male green anole lizard, showing dewlap, Hall of Reptiles and Amphibians
ID: K11291
Python head with tongue extended, Reticulated Python Habitat Group
ID: K11334
Oak toad
ID: K11335
Eastern spadefoot toad
ID: K11336
Dusky salamander
ID: K11337
Mountain salamander
ID: K11338
Two-lined salamander
ID: K11343
Guppies swimming in aquarium
ID: K11347
Guppy
ID: K11375
Spring peeper frog on moss
ID: K11385
Leopard frog
ID: K11391
Bull frog
ID: K11396
Green frog on lily pad, 1/6 natural size
ID: K11402
Green frog
ID: K11414
Common tree frog
ID: K11425
Wood frog
ID: K11448
American toad beside mushroom
ID: K11484
adult western skink
ID: K11486
Snapping turtle
ID: K11488
Wood turtle
ID: K11491
Musk turtle
ID: K11498
Painted turtle
ID: K11504
DeKay's brown snake
ID: K11519
Milk snake
ID: K11535
Black snake
ID: K11538
Smooth greensnake
ID: K11541
Green snake
ID: K11582
Bunchgrass lizards
ID: K11585
Scorpion with young on back
ID: K11587
Checkered garter snake
ID: K11588
Yarrow's spiny lizard
ID: K11589
Clark's spiny lizard
ID: K11590
Round-tailed horned lizard
ID: K11593
Whiptail lizard
ID: K11602
Crevice spiny lizard
ID: K11604
Western long-nosed snake
ID: K11605
Night snake
ID: K11606
Western hog-nosed snake
ID: K11609
Glorious beetle
ID: K1260
Yellow warbler feeding young
ID: K12652
"Loons," painting by Louis A. Fuertes
ID: K12654
Archaeopteryx skeleton in matrix (cast)
ID: K1268
Short-eared owl
ID: K1274
Young bullfrog
ID: K1278
Green frog sitting in shallow water
ID: K12910
Vogelkop Gardener Bowerbird building the bower
ID: K12915
Fawn-breasted Bowerbird at bower nest
ID: K12916
Vogelkop Gardener Bowerbird and bower nest
ID: K12917
ID: K13070
Invertebrate trace fossils, 8 x 7 in
ID: K13084
Chambered Nautilus (Nautilus pompilius) exterior interior views
ID: K1363
Water strider and gnat on water's surface
ID: K1367
ID: K13860
Solid hexagon snow crystal, magnified
ID: K14022
Patch-nosed snake
ID: K14027
Garter snake
ID: K14028
Racer snake
ID: K14029
Iguana
ID: K14031
Gecko on leaf
ID: K14032
Short-horned lizard
ID: K14039
Tree lizard
ID: K14041
Swallow-tailed gull
ID: K14045
Lava heron
ID: K14048
Great blue heron
ID: K14050
Flightless cormorant, in profile
ID: K14051
Flightless cormorant with wings spread
ID: K14054
Oyster-catcher
ID: K14058
Masked booby on rock, side view
ID: K14061
Waved albatross
ID: K14076
Tarantula on bananas
ID: K14820
Cicada, side view, on branch
ID: K14822
Red-tailed boa constrictor on leaves
ID: K14823
Kansas glossy snake
ID: K14824
Mexican kingsnake
ID: K14834
Coiled Mexican black-tailed rattlesnake
ID: K14878
Scaly lizard
ID: K14891
Cloudless sulphur butterfly (Phoebis sennae)
ID: K14896
Cithaerias pireta (clear-winged) butterfly
ID: K14897
Colias philodice, clouded sulphur butterfly
ID: K14898
Danaus plexippus, monarch butterfly
ID: K14899
Diaethria artemis butterfly
ID: K14913
Megathymus butterfly
ID: K14917
Nymphalis antiopa (mourning cloak) butterfly
ID: K14918
Nymphalidae sp. butterfly
ID: K14919
ID: K14924
Blue peacock butterfly (Papilio arcturus), shown on a light background
ID: K14925
Blue peacock butterfly (Papilio arcturus), shown on dark background
ID: K14959
Moth, Callimorpha kera
ID: K14988
Moth underwing pattern, detail
ID: K14989
Adult newt
ID: K14990
Horned frog
ID: K14991
Pickeral frog
ID: K14992
Tree frog calling
ID: K14993
Tree toad on branch
ID: K14994
Newt, red eft stage
ID: K14995
Marbled newt
ID: K14996
Black-bellied salamander
ID: K14998
Red-backed salamander
ID: K14999
Spotted salamander