Advanced Search (Items only)
ID: K9045
Arroyo toad
ID: K9044
Gulf coast toad
ID: K9042
Giant toad
ID: K9039
Pig frog
ID: K9034
Bronze frog
ID: K9031
Colorado River toad
ID: K9030
Boreal toad
ID: K9024
Eastern gray tree frogs
ID: K9006
Squirrel tree frogs
ID: K8994
Christmas fern, unfolding
ID: K8622
Fur seal
ID: K8437
Lobster, ventral view
ID: K8436
Dragonfly nymph
ID: K8422
Lady Amherst's pheasant
ID: K8355
Man seated at entrance to shop
ID: K8320
Alligator
ID: K8247
Flamingos displaying at water's edge
ID: K8245
Flamingo
ID: K8228
Cave salamander
ID: K8216
Cricket
ID: K8003
Kissing bug on branch
ID: K7826
Bird of paradise
ID: K7821
Birds on branch
ID: K7820
Two birds, possibly parrots
ID: K7813
Peace dove in flight with olive leaves
ID: K7593
Northern pintail duck
ID: K7586
Gadwall and female Mallard ducks swimming
ID: K7578
Duck, red-headed
ID: K7570
Hawk or falcon landing on perch
ID: K7007
Yellow-billed cuckoo in tree
ID: K7005
Black skimmer
ID: K7001
Tree swallow on tree
ID: K7000
Cormorants on rocks
ID: K6999
Brown pelican
ID: K6995
Cliff swallow at nest with young, 1956
ID: K6361
Steam engine train in action
ID: K6313
Dung beetle
ID: K6224
Tea or coffee service
ID: K6200
Crow at edge of water
ID: K6081
Eastern bluebird feeding young on flowering branch
ID: K6068
Indigo bunting on flowering plant
ID: K6064
Veery at nest with young
ID: K4496
Female horseshoe crab on sand
ID: K4495
Blue crab
ID: K4488
Portuguese Man-of-War (jellyfish)
ID: K3798
Adult mayfly and reflection on surface of water
ID: K3777
Chimney Swift perched on edge of nest with eggs
ID: K2569
Fence lizard
ID: K2568
Luna moth larva
ID: K2567
Desert rabbit, or jackrabbit
ID: K2566
Tree frog with protective coloration
ID: K2565
Pickerel frog
ID: K2564
American toad
ID: K2563
Young killdeer plovers in nest
ID: K2562
Female mallard duck on nest
ID: K2561
Horned owl
ID: K2560
Dusk Poorwill, nocturnal bird, example of protective coloration
ID: K2455
Water beetle
ID: K2454
Cockroach with old molt and light new skin
ID: K2315
Glass lizard
ID: K2273
Desert toad on rock
ID: K2271
Mexican crested toad on rock
ID: K2246
Fowler's toad
ID: K2157
Blue-winged warbler at nest with chicks
ID: K2117
Bobolink perched on plant
ID: K2091
Stinkbugs on goldenrod
ID: K2089
ID: K2022
Casquehead lizard
ID: K1828
Chachalaca
ID: K1827
Male Baltimore oriole, feeding young at nest
ID: K1825
Bobwhite
ID: K1778
Field sparrow, feeding young
ID: K1717
Whooper swan
ID: K1712
Barnacle geese
ID: K1710
Lesser snow geese at nest
ID: K1705
White-headed sheldrake ducks swimming
ID: K1703
Common egret
ID: K1637
Six-lined swift [lizard]
ID: K1635
Tiger salamander
ID: K1633
Marbled salamander
ID: K1625
Shiner minnow in nature
ID: K1600
Improved forms of earlier implements: scythe, saw, knife, chisel, dagger, grinding stone
ID: K15143
Ants
ID: K15141
Ant with dead grasshopper
ID: K15134
Ichneumon wasp on bark
ID: K15133
Cuckoo wasp on goldenrod
ID: K15132
Blue wasp on leaf
ID: K15131
Yellow jacket wasp on leaf, side view
ID: K15130
Yellow jacket wasp, close-up of face
ID: K15129
Yellow jacket wasp on leaf, top view
ID: K15127
Mutillid wasp, velvet ant
ID: K15126
Fireflies on leaf
ID: K15125
Weevil
ID: K15124
Wasp mimic
ID: K15123
Tortoise beetle on leaf
ID: K15122
Tiger beetle, close-up of face
ID: K15121
Tiger beetle
ID: K15120
Scarab beetle, side view
ID: K15119
Scarab beetle, top view
ID: K15118
Scarab rolling ball of dirt