Getty Images
Caterpillar (Lepidoptera), moves down a plant stem and up another.
Caterpillar (Lepidoptera), moves down a plant stem and up another.
Getty Images
CU Butterfly Pupa anchored to branch by silk girdle, Australia
CU Butterfly Pupa anchored to branch by silk girdle, Australia
Getty Images
CU leech on thorny branch, Western Ghats, India
CU leech on thorny branch, Western Ghats, India
Getty Images
CU leech looping over leaf, Western Ghats, India
CU leech looping over leaf, Western Ghats, India
Getty Images
BCU American Cockroach (Periplaneta americana) in profile
BCU American Cockroach (Periplaneta americana) in profile
Getty Images
BCU American Cockroach (Periplaneta americana) grooming front legs, then stands motionless, in profile
BCU American Cockroach (Periplaneta americana) grooming front legs, then stands motionless, in profile
Getty Images
Crab under conical shell, feeding, Southern Visayas, Philippines
Crab under conical shell, feeding, Southern Visayas, Philippines
Getty Images
A large leech sucks blood from a man's arm.
A large leech sucks blood from a man's arm.
Getty Images
A large leech sucks blood from a man's arm.
A large leech sucks blood from a man's arm.
Getty Images
A leech slithers over a sandaled foot underwater.
A leech slithers over a sandaled foot underwater.
Getty Images
Philodina rotifer creating vortex current with beating cilia, for ingesting small microorganisms such as bacteria and algae.: Dark field illumination horizontal field of view 2mm.
Philodina rotifer creating vortex current with beating cilia, for ingesting small microorganisms such as bacteria and algae.: Dark field illumination horizontal field of view 2mm.
Getty Images
Tardigrade, aka water bear, (Hypsibius dujardini) larva; differential interference contrast.
Tardigrade, aka water bear, (Hypsibius dujardini) larva; differential interference contrast.
Getty Images
Tardigrade, aka water bear, (Hypsibius dujardini) larva; differential interference contrast.
Tardigrade, aka water bear, (Hypsibius dujardini) larva; differential interference contrast.
Getty Images
CU Common Wasp (Vespula vulgaris) collecting wood fibres and flying off, England
CU Common Wasp (Vespula vulgaris) collecting wood fibres and flying off, England
Getty Images
Bumble Bees feeding on pink foxglove flowers
Bumble Bees feeding on pink foxglove flowers
Getty Images
Beetle with poodle antennae ?, CU antennae, pans to body, Panama
Beetle with poodle antennae ?, CU antennae, pans to body, Panama