Juergen Freund / Paralytic tick (Ixodes holocyclus) with engorged body on human hand, this species affects many species, Spectacled flying fox (Pteropus conspicillatus) among them and infects them with a toxin that ca...
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Alex Hyde / Green Dock Beetle (Gastrophysa viridula) female with huge abdomen swollen with eggs. Peak District National Park, Derbyshire, UK. May.
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Espen Bergersen / Adult male King eider (Somateria spectabilis) close up portrait, Batsfjord, Norway, March.
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Nigel Cattlin / Clubroot (Plasmodiophora brassicae) distorted root of a Cabbage (Brassica oleracea). England, UK.
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Alex Hyde / Leech (Hirudinea) swollen with human blood, Maliau Basin, Sabah, Borneo.
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Alex Hyde / Leech (Hirudinea) swollen with human blood, Maliau Basin, Sabah, Borneo.
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Jussi Murtosaari / Warble fly (Hypoderma tarandi) a parasitic fly whose larvae, once the eggs are ingested by reindeer, form swellings under the skin, Karigasniemi, Finland, July.
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Wild Wonders of Europe / Widstrand / RF- Pool Frog (Rana lessonae) vocalising with vocal sacs inflated, Danube delta rewilding area, Romania. (This image may be licensed either as rights managed or royalty free.)
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Wild Wonders of Europe / Widstrand / RF- Pool Frog (Rana lessonae) sitting on white lily pad, Danube delta rewilding area, Romania. (This image may be licensed either as rights managed or royalty free.)
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Nick Garbutt / RF- Male Rainforest Treefrog (Gephyromantis sp.) calling at night. Ranomafana National Park, SE Madagascar. (This image may be licensed either as rights managed or royalty free.)
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Rolf Nussbaumer / RF- Western green toad (Bufo debilis) male calling, vocal sac inflated. Chiricahua Mountains, Arizona, USA. (This image may be licensed either as rights managed or royalty free.)
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Kim Taylor / RF- European edible frog male vocal sacs inflated (Rana esculenta) UK, captive. (This image may be licensed either as rights managed or royalty free.)
