Duncan Murrell / Tiger leech (Haemadipsa picta) attached to a leaf in the Danum Valley Conservation Area lowland dipterocarp rainforest, Sabah, Malaysian Borneo.
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Alex Hyde / Tiger leeches (Haemadipsa picta) on the outside of a leech sock, worn to keep leeches from biting legs and feet. Maliau Basin, Sabah, Borneo.
MYN / Paul van Hoof / European medicinal leech (Hirudo medicinalis) adult, The Netherlands, June.Meetyourneighbours.net project
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MYN / Paul van Hoof / European medicinal leech (Hirudo medicinalis) adult, The Netherlands, June.Meetyourneighbours.net project
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MYN / Paul van Hoof / European medicinal leech (Hirudo medicinalis) adult, The Netherlands, June.Meetyourneighbours.net project
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MYN / Paul van Hoof / European medicinal leech (Hirudo medicinalis) adult showing sucker at one end, The Netherlands, June.Meetyourneighbours.net project
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Adrian Davies / Medicinal leech (Hirudo medicinalis).
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Adrian Davies / Medicinal leech (Hirudo medicinalis).
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Wild Wonders of Europe / Lundgren / Leech possibly Medicinal leech (Hirudo medicinalis) swimming, Danube Delta, Romania, June.
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Wild Wonders of Europe / Lundgren / Large leech, possibly the medicinal leech (Hirudo medicinalis) investigating a snail shell on river bed, Danube Delta, Romania, June.
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Neil Aldridge / Tiger leech (Haemadipsa picta) detaches its back end from a leaf, having latched on to a passing animal and leaves frame, Danum Valley, Sabah, Borneo, Malaysia.
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Neil Aldridge / Tiger leech (Haemadipsa picta) waving front end around in response to movement beside leaf, before detaching rear end from leaf and leaving frame, Danum Valley, Sabah, Borneo, Malaysia.
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Neil Aldridge / Tiger leech (Haemadipsa picta) hanging from a leaf and moving front end around in search of animal to parasitize, Danum Valley, Sabah, Borneo, Malaysia.
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Alex Hyde / Tiger Leech (Haemadipsa picta) dangling from leaf tip awaiting a host to suck blood from. Danum Valley, Sabah, Borneo.
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Nick Upton / Medicinal leech (Hirudo medicinalis), a rare protected species in the UK, attached to photographer's hand with posterior sucker, Dorset, UK, June.
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Nick Upton / Medicinal leech (Hirudo medicinalis), a rare protected species in the UK, attached to photographer's hand with posterior sucker, Dorset, UK, June.