Elizebeth Friedman
National Security Agency
Mossy Riverbank
Chris Dawe/science Photo Library
Japanese Water Iris Flowers (iris Sp.)
Dr. Nick Kurzenko/science Photo Library
Riverbank Habitat
Dr Keith Wheeler/science Photo Library
Nile Crocodile On A Riverbank
Bob Gibbons
Erosion Of A Riverbank
Simon Fraser/science Photo Library.
Erosion Of Riverbank Caused By Flooding.
Mike Devlin/science Photo Library
Erosion And Flood Deposition Along A Riverbank
Simon Fraser/science Photo Library.
Capybaras On A Riverbank
John Devries/science Photo Library
Yacare Caiman On A Riverbank
John Devries/science Photo Library
Erosion Of A Riverbank #1
Simon Fraser/science Photo Library.
Hippopotamus Laying On A Riverbank
John Devries/science Photo Library
Erosion Of Riverbank Caused By Flooding. #1
Mike Devlin/science Photo Library
Smiling Woman Looking Away At Riverbank
Sakkmesterke/science Photo Library
Eroded Riverbank
Simon Fraser/science Photo Library
Mink #1
Louise Murray/science Photo Library
Rainbow And Anticrepuscular Rays
Dr Juerg Alean
African Elephants #1
Tony Camacho/science Photo Library
Himalayan Balsam (impatiens Glandulifera) #3
Dr Keith Wheeler/science Photo Library
Yacare Caiman
Paul Williams
Platypus #1
Collection Abecasis
Autumn Foliage In Woodland
Simon Fraser/tarset Archive Group/science Photo Library
Dartmoor Ponies Grooming
Tony Camacho/science Photo Library
European Otters
Duncan Shaw/science Photo Library
Fisherman's House
Peter Menzel/science Photo Library
Dartmoor Ponies #1
Tony Camacho/science Photo Library
Giant Otter Resting
John Devries/science Photo Library
Birch Forest
Bjorn Svensson/science Photo Library
Cleaning Up An Oil Spill
Paul Rapson/science Photo Library
Giant Otters #1
John Devries/science Photo Library
Alaskan Permafrost Cliff
Mikhail Kanevskiy, University Of Alaska Fairbanks, Institute Of Northern Engineering, Us Geological Survey/science Photo Library
Woman Sitting On A Bench
Sakkmesterke/science Photo Library
Woman With Arms Raised On Bench
Sakkmesterke/science Photo Library
Himalayan Balsam (impatiens Glandulifera)
Dr Keith Wheeler/science Photo Library
Himalayan Balsam (impatiens Glandulifera) #1
Dr Keith Wheeler/science Photo Library
Grand Western Canal
Dr Keith Wheeler/science Photo Library
Himalayan Balsam (impatiens Glandulifera) #2
Dr Keith Wheeler/science Photo Library
Grand Western Canal #1
Dr Keith Wheeler/science Photo Library
Brachiosaurus Dinosaurs #1
Roger Harris
Purple Loosestrife
Dr Keith Wheeler/science Photo Library
Grand Western Canal #2
Dr Keith Wheeler/science Photo Library
Fog On A River In Autumn
Wladimir Bulgar
William Friedman
National Security Agency
Magyarosaurus
Deagostini/uig
Mink
Louise Murray/science Photo Library
River With Grassy Banks
Wladimir Bulgar/science Photo Library
Dhaka Slum
Peter Menzel/science Photo Library
Capybara Family
John Devries/science Photo Library
Dartmoor Ponies
Tony Camacho/science Photo Library
Hiking
Mauro Fermariello/science Photo Library
Washed-up Rubbish
Robert Brook/science Photo Library
Jewelweed (impatiens Glandulifera)
Gustoimages/science Photo Library
Buriganga River Pollution
Peter Menzel/science Photo Library
Icicles
Martin Bond/science Photo Library
Giant Otters
John Devries/science Photo Library
Wind Turbine
Simon Fraser/science Photo Library
European Otter
Gustoimages/science Photo Library
Washed-up Rubbish #1
Robert Brook/science Photo Library
Bank Of The River Teifi
Sinclair Stammers/science Photo Library
White-throated Dipper
Simon Booth/science Photo Library
Mink #2
Louise Murray/science Photo Library
European Otter #2
Louise Murray/science Photo Library
Dartmoor Pony Foal
Tony Camacho/science Photo Library
Bridge At Combe Mill
Lizzie Harper/science Photo Library
Neotropical Otter Eating A Fish
Tony Camacho/science Photo Library
European Otter
John Devries/science Photo Library
Muskrat
John Devries/science Photo Library
Woodland River
Simon Fraser/tarset Archive Group/science Photo Library
Buriganga River Pollution #1
Peter Menzel/science Photo Library
Washed-up Rubbish #2
Robert Brook/science Photo Library