Advanced Search (Items only)
ID: K1754
Hot rocks rolling out of lava flow, Paricutin, Mexico
ID: K1751
Spatter cone formed by erupting lava, night view, Paricutin, Mexico
ID: K1750
Birth of a new lava flow, night view, Paricutin, Mexico
ID: K1749
Lava flow at night, Paricutin, Michoacan, Mexico
ID: K1747
Geological map of Mexico
ID: K17243
Hell Creek Formation, Montana
ID: K17223
Sickle claw of Deinonychus antirrhopus (terrible claw), collected by Barnum Brown and Peter Kaisen, Buster Creek, Cashen Ranch, Crow Indian Reservation
ID: K1721
Rhea
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: K1681
Beech tree trunk, detail, Tenafly, New Jersey
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: K15139
Ant and larvae
ID: K15135
Ichneumon wasp
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: K15128
Wasp, 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
ID: K15117
Rhinoceros beetle
ID: K15116
Milkweed beetle on leaf
ID: K15115
Longhorn borer
ID: K15114
Longhorned beetle
ID: K15113
Lady beetle on leaf
ID: K15112
Lady beetle on leaf, side view
ID: K15111
June beetles, dorsal view
ID: K15110
Horn beetle
ID: K15109
ID: K15108
Glow worms
ID: K15107
Elater beetle
ID: K15106
Caterpillar hunter beetle
ID: K15105
Buprestid beetle
ID: K15104
Dobsonfly
ID: K15103
Damselfly, close-up view of face
ID: K15102
Damselfly
ID: K15101
Amberwing dragonfly on leaf
ID: K15100
Dragonfly
ID: K15099
Dragonfly with wings spread
ID: K15098
Cliff Palace, Mesa Verde National Park
ID: K15097
Aphids on rose stem
ID: K15096
Woolly aphids on tree branch
ID: K15095
Blue striped leafhopper on leaf
ID: K15094
Leafhoppers on plant
ID: K15093
Adult froghopper, near cast skin and froth
ID: K15092
Cicada, 3/4 rear view
ID: K15091
Cicada, 3/4 front view, on branch
ID: K15090
Cicada in nymphal skin on plant leaf
ID: K15089
Cicada, just emerged
ID: K15088
Buffalo treehopper on plant leaf
ID: K15087
Green stink bug nymph on plant leaf
ID: K15086
Milkweed bugs on pod
ID: K15085
Water strider and gnat on water's surface
ID: K15084
Water striders
ID: K15083
Termites on wood
ID: K15082
Camel cricket on rock displaying protective coloration
ID: K15081
Cricket, detail of face
ID: K15080
Oriental mantis on flowers
ID: K15079
Mantis on plant showing protective coloration
ID: K15078
Mantis on plant
ID: K15077
Katydid
ID: K15076
Grasshopper
ID: K15075
Grasshopper, close-up of head
ID: K15074
Young grasshopper
ID: K15073
Sand grasshopper with protective coloration
ID: K15072
Face of red grasshopper
ID: K15071
Long horned grasshopper
ID: K15070
Face of long horned grasshopper
ID: K15069
Short horned grasshopper
ID: K15068
Grasshopper on twig
ID: K15067
ID: K15066
Walking stick insect on plant showing protective coloration and form
ID: K15065
Walking stick insect on plant
ID: K15064
Walking stick insect on tree trunk
ID: K15063
Giant cockroach
ID: K15062
Cockroach, close-up of head
ID: K15061
Cockroach on wood
ID: K15060
Cockroach on bread
ID: K15059
Tarantula (Hapalopus pentaloris), Mexico
ID: K15058
Tarantula, Trinidad and Tobago