Rick Tomlinson / Melges 32 "Fantastica" and "Sambs Pa Ti" racing at the Miami Grand Prix, Florida, USA. March 2010.
00476944
Piotr Naskrecki / Leafcutter Ant (Atta cephalotes) worker on leaf protecting larger workers carrying leaf from parasitoid flies, Costa Rica
00476846
Piotr Naskrecki / Looper Moth (Geometridae) caterpillar with aposematic coloration, Atewa Range, Ghana
01318739
Doug Wechsler / American toad (Bufo americanus) crossing road at night in front of car headlights, Philadelphia, Pennsylvania, USA, March
01245548
Guy Edwardes / Mixed woodland in autumn, Mangrt Pa, Julian Alps, Slovenia, October 2008
00298291
Piotr Naskrecki / Horned Leaf Chameleon (Brookesia superciliaris) camouflaged against brown leaf, Madagascar
00586048
Piotr Naskrecki / Wingless Bat Fly (Penicillidia sp) on head of Long-winged Bat (Miniopterus mossambicus), Gorongosa National Park, Mozambique
00585937
Piotr Naskrecki / Higher Termite (Cubitermes pallidiceps) queen being groomed by workers, Gorongosa National Park, Mozambique
01559746
Doug Wechsler / Leaf-footed Bug, Leptoglossus sp., hatching from egg, PA, Montgomery Co., Ft. Washington State Park
01526335
Doug Wechsler / American dog tick (Dermacentor variabilis) adult female, PA, Morris Arboretum, Philadelphia, Pennsylvannia, USA, June.
00496711
Piotr Naskrecki / Weaver Ant (Oecophylla sp) group carrying snail to their nest, Gorongosa National Park, Mozambique
00496613
Piotr Naskrecki / Pygmy Mount Gorongosa Chameleon (Rhampholeon gorongosae), Gorongosa National Park, Mozambique
00498582
Piotr Naskrecki / Cup Moth (Phobetron sp) caterpillar, Suriname
01397336
Brent Stephenson / Orchards and asparagus growing with a windbreak dividing the two, seen from a helicopter. Near Bridge Pa, Hawkes Bay, North Island, New Zealand.
01275393
Rick Tomlinson / Melges 32 fleet lead by "Samba Pa Ti", Miami Grand Prix, Florida, USA. March 2010.
00479302
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillars, Sipaliwini, Surinam
00479301
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillars in rainforest, Sipaliwini, Surinam
00478925
Piotr Naskrecki / Hawk Moth (Sphingidae), Braulio Carrillo National Park, Costa Rica
00478924
Piotr Naskrecki / Hawk Moth (Sphingidae), Braulio Carrillo National Park, Costa Rica
00478922
Piotr Naskrecki / Hawk Moth (Sphingidae), Braulio Carrillo National Park, Costa Rica
00478886
Piotr Naskrecki / Crambid Snout Moth (Pyrausta californicalis), Woburn, Massachusetts
Piotr Naskrecki / Winter Moth (Operophtera brumata) female, Woburn, Massachusetts
00478856
Piotr Naskrecki / Hawk Moth (Sphingidae), Barbilla National Park, Costa Rica
00478855
Piotr Naskrecki / Hawk Moth (Sphingidae), Barbilla National Park, Costa Rica
00478834
Piotr Naskrecki / Looper Moth (Geometridae), Braulio Carrillo National Park, Costa Rica
00478828
Piotr Naskrecki / Hawk Moth (Sphingidae), Braulio Carrillo National Park, Costa Rica
00478829
Piotr Naskrecki / Hawk Moth (Sphingidae), Braulio Carrillo National Park, Costa Rica
00478830
Piotr Naskrecki / Hawk Moth (Sphingidae), Braulio Carrillo National Park, Costa Rica
00477511
Piotr Naskrecki / Cup Moth (Limacodidae) aposematically colored caterpillar with spines that can deliver an extremely painful sting, Atewa Range Forest Reserve, Ghana
00477036
Piotr Naskrecki / Dracula Ant (Amblyopone sp) worker puncturing the skin of a larva to sip its trickling blood, this behavior does not seem to harm the larva, but feeds the adults, Papua New Guinea
00476898
Piotr Naskrecki / Wood Ant (Formica subsericea) carrying pupal cocoon, Estabrook Woods, Massachusetts
00476844
Piotr Naskrecki / Cup Moth (Limacodidae) aposematically colored caterpillar, Ghana
00476839
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillar, Ghana
00450693
Piotr Naskrecki / Tube-nosed Fruit Bat (Nyctimene sp) roosting, Muller Range, Papua New Guinea
01318786
Doug Wechsler / Virginia ctenucha moth (Ctenucha virginica) on milkweed leaf. Philadelphia, Pennsylvania, USA
01318779
Doug Wechsler / Exuvium (shed skin) of Chinese mantid (Tenodera aridifolia) on leaf. Philadelphia, PA
01318772
Doug Wechsler / Milkweed / Oleander aphids (Aphis nerii) on common milkweed (Asclepias syriaca). Philadelphia, PA. August
01318768
Doug Wechsler / Milkweed tussock moth / tiger moth caterpillars (Euchaetes egle) first instar and egg mass on common milkweed. Philadelphia, Pennsylvania, USA. July
01318767
Doug Wechsler / Mason bee (Osmia sp) mud nest showing chambers and larvae. Penn Valley, PA, USA
01318764
Doug Wechsler / Large milkweed bug nymphs (Oncopeltus fasciatus) on common milkweed pod (Asclepias syriaca). Philadelphia, Pennsylvania, USA. July
01318762
Doug Wechsler / Imperial moth (Eacles imperialis) on leaves. Philadelphia, PA, USA
01318751
Doug Wechsler / Green Stinkbug nymphs (Acrosternum hilare / Chinavia hilaris) on milkweed leaf. Philadelphia, PA, USA
01318750
Doug Wechsler / American elderberry (Sambucus canadensis) in flower. Philadelphia, PA, USA
01318745
Doug Wechsler / Male and female American toads (Bufo americanus) in amplexus on road at night, with car headlights behind. Philadelphia, Pennsylvania, USA
01318744
Doug Wechsler / Male and female American toads (Bufo americanus) in amplexus on road at night, with car headlights behind. Philadelphia, Pennsylvania, USA. March
01318743
Doug Wechsler / Girl watching male and female American toads (Bufo americanus) in amplexus crossing road at night; Philadelphia, Pennsylvania, USA. March
01318742
Doug Wechsler / American toad (Bufo americanus) toadlet with tail: metamorphosing; Philadelphia, Pennsylvania, USA, June
01318741
Doug Wechsler / American toad (Bufo americanus) toadlet sitting on leaf; losing tail; Philadelphia, Pennsylvania, USA, May
01318740
Doug Wechsler / American toad (Bufo americanus) tadpoles congregating at edge of creek; Fairmount Park, Philadelphia, Pennsylvania, USA, May
00437534
Fred Bavendam / Blue-spotted Stingray (Dasyatis kuhlii) buried in the sand, Bali, Indonesia
00437533
Fred Bavendam / Blue-spotted Stingray (Dasyatis kuhlii) on ocean floor, Bali, Indonesia
00427150
Piotr Naskrecki / Ant (Crematogaster sp) tending scale insects, Rio Kapatchez, Guinea
00427140
Piotr Naskrecki / Looper Moth (Geometridae) caterpillars with aposematic coloration, Atewa Range, Ghana
00427139
Piotr Naskrecki / Looper Moth (Geometridae) caterpillar with aposematic coloration, Atewa Range, Ghana
00427125
Piotr Naskrecki / Looper Moth (Geometridae) caterpillars with aposematic coloration, Atewa Range, Ghana
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillar, Mamang River Forest Reserve, Ghana
00427039
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillar with aposematic coloration, Ajenjua Bepo Forest Reserve, Ghana
00427037
Piotr Naskrecki / Cup Moth (Limacodidae) aposematically colored caterpillar, Ghana
00427036
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillar, Ghana
00427026
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillar being predated on by Stink Bug (Pentatomidae), Ghana
00427024
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillar with aposematic coloration, Atewa Range Forest Reserve, Ghana
00427006
Piotr Naskrecki / Prominent Moth (Furcula sp) caterpillar, Sichuan, China
00427001
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillar with spines that can deliver an extremely painful sting, Virachey National Park, Cambodia
01078581
Doug Wechsler / Great spangled fritillary {Speyeria cybele} on bull thistle, Wyoming State Forest, PA, USA
00298618
Piotr Naskrecki / Flap-necked Chameleon (Chamaeleo dilepis) in defensive display, Kruger National Park, Mpumalanga, South Africa
00298564
Piotr Naskrecki / Grass Moth (Cryptoses sp) on the fur of Pale-throated Three-toed Sloth (Bradypus tridactylus), Guyana
00298524
Piotr Naskrecki / Hawk Moth (Sphingidae) caterpillar feeds on plants containing toxic secondary compounds, and advertises the distastefulness of its body with bright, aposematic coloration, Guyana
00298405
Piotr Naskrecki / Ant (Pseudomyrmex nigrocinctus) collecting beltian bodies from young leaves of Acacia to feed their larvae, Costa Rica
00298293
Piotr Naskrecki / Iaraka River Leaf Chameleon (Brookesia vadoni) camouflaged against tendril, Madagascar
00298269
Piotr Naskrecki / Slug Caterpillar (Acharia sp) a pair of false eyes at its rear end confuses predators, Costa Rica
01129737
Doug Wechsler / Autumn fall leaves of American beech tree {Fagus grandifolia} PA, USA.
01129726
Doug Wechsler / Red spotted newt, red eft stage {Notophthalmus viridescens} PA, USA.
01125030
Doug Wechsler / Paulownia tree flowering {Paulownia tomentosa} Philadelphia, PA, USA.
01129735
Doug Wechsler / Fringed polygala flowering on woodland floor {Polygala paucifolia} PA, USA.
01125029
Doug Wechsler / Paulownia tree flowering {Paulownia tomentosa} Philadelphia, PA, USA.
00977130
Norbert Wu / Blue-spotted Stingray (Dasyatis kuhlii) stings with barb on tail, Fiji
01092023
Doug Wechsler / Spotted salamander during breeding season. PA, USA {Ambystoma maculatum}
01048506
Doug Wechsler / Wood frog males competing to mate, PA, USA
01048727
Doug Wechsler / Mourning dove nesting on sculpture of Christ {Zenaida macroura} PA, USA
00585899
Piotr Naskrecki / Straw-colored Fruit Bat (Eidolon helvum) group roosting, Maputo, Mozambique
00585626
Piotr Naskrecki / Pallas' Long-tongued Bat (Glossophaga soricina) flying with radio transmitter, La Selva Biological Reserve, Costa Rica
00585616
Piotr Naskrecki / Honduran White Bat (Ectophylla alba) flying, La Selva Biological Reserve, Costa Rica
00538646
Fred Bavendam / Blue-spotted Stingray (Dasyatis kuhlii) swimming over ocean floor, New South Wales, Australia
00538645
Fred Bavendam / Blue-spotted Stingray (Dasyatis kuhlii) swimming over reef, New South Wales, Australia
00538644
Fred Bavendam / Blue-spotted Stingray (Dasyatis kuhlii) on sand bottom, Bali, Indonesia
00535868
Steve Gettle / Elk (Cervus elaphus) bull drinking, Yellowstone National Pa rk, Wyoming
00478930
Piotr Naskrecki / Looper Moth (Geometridae), Braulio Carrillo National Park, Costa Rica
00478923
Piotr Naskrecki / Hawk Moth (Sphingidae), Braulio Carrillo National Park, Costa Rica
00476843
Piotr Naskrecki / Cup Moth (Limacodidae) caterpillar, Ghana
21107486
Doug Wechsler / Peregrine falcon chicks eggs in nest in building {Falco peregrinus} PA USA