https://www.amustard.com/library Tue, 21 Apr 2026 19:39:39 +0000 Tue, 21 Apr 2026 19:39:39 +0000 http://blogs.law.harvard.edu/tech/rss Zenphoto RSS Generator https://www.amustard.com/library/stock84/UK21_am-14071.jpg A signal crayfish (Pacifastacus leniusculus) crawls over old bricks beneath overhanging trees. This is an invasive species in the UK. Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom
Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-14071.jpg Tue, 25 May 2021 05:41:47 +0000 https://www.amustard.com/library/stock84/UK21_am-14031.jpg A signal crayfish (Pacifastacus leniusculus) clambers on a piece of wreckage. This is an invasive species in the UK. Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom
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Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-14031.jpg Tue, 25 May 2021 05:30:09 +0000 https://www.amustard.com/library/stock84/UK21_am-14040.jpg A signal crayfish (Pacifastacus leniusculus) crawls on the wooden planks on a wreck. This is an invasive species in the UK. Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom
Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-14040.jpg Tue, 25 May 2021 05:32:09 +0000 https://www.amustard.com/library/stock84/UK21_am-13975.jpg A pair of perch (Perca fluviatillis) beneath an underwater structure. and over bricks Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom.
Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-13975.jpg Tue, 25 May 2021 05:20:52 +0000 https://www.amustard.com/library/stock84/UK21_am-13910.jpg A group of a perch (Perca fluviatillis) above old tree stumps. Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom.
Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-13910.jpg Tue, 25 May 2021 05:09:16 +0000 https://www.amustard.com/library/stock84/UK21_am-13996.jpg A group of three perch (Perca fluviatillis) beneath an underwater structure and over bricks Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom.
Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-13996.jpg Tue, 25 May 2021 05:22:55 +0000 https://www.amustard.com/library/stock84/UK21_am-14105.jpg A group of highly invasive zebra mussels (Dreissena polymorpha) growing on an underwater structure. This species . Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom.
Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-14105.jpg Thu, 27 May 2021 04:35:45 +0000 https://www.amustard.com/library/stock84/UK21_am-14251.jpg A signal crayfish (Pacifastacus leniusculus) crawls over old bricks. This is an invasive species in the UK. Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom
Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-14251.jpg Thu, 27 May 2021 05:23:49 +0000 https://www.amustard.com/library/stock84/UK21_am-14206.jpg A signal crayfish (Pacifastacus leniusculus) crawls on the wooden planks on a wreck. This is an invasive species in the UK. Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom
Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-14206.jpg Thu, 27 May 2021 05:07:27 +0000 https://www.amustard.com/library/stock84/UK21_am-14257.jpg A signal crayfish (Pacifastacus leniusculus) crawls over old bricks. This is an invasive species in the UK. Guildenburgh. Whittlesea, Peterborough, Cambridgeshire, England, United Kingdom
Date: 06/21/2021]]> https://www.amustard.com/library/stock84/UK21_am-14257.jpg Thu, 27 May 2021 05:24:06 +0000