#chordata
Pool Frog (Pelophylax Lessonae) by Sharon Dow
Via Flickr:
The pool frog (Pelophylax lessonae) is a European frog. It is one of only four amphibian species recognized by the UK government as protected under its Biodiversity Action Plan. The reasons for declining populations are decreased pond habitat from human encroachment and also air pollution leading to over-nitrification of pond waters. Its specific name was chosen by the Italian herpetologist Lorenzo Camerano in order to honour his master Michele Lessona. The Pool Frog has not always been recognised as a native British species. Part of the reason for this is that other similar species are known to have been introduced. However research has now shown that a native origin is most likely. The Herpetological Conservation Trust website states that "The Pool Frog is a European frog and was formerly recorded from two sites in East Anglia although it was lost from one of these in the middle of the 19th century. It was presumed extinct in the wild at the last remaining site by 1995. A single individual known from this population survived in captivity until 1999. Other populations have become established in the UK and it is known that some of these included individuals of British origin in their founding stock." An English Nature reintroduction project is underway in Breckland, where Pool Frogs were introduced to a single site in 2005. Photographed at Warnham Nature Reserve, Hoersham, West Sussex
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Out of the Blue: How Animals Evolved from Prehistoric Seas
Devonian period (419 to 359 mya): the age of fish! Bony fish, jawless fish, placoderms, sharks, etc.
By Elizabeth Shreeve and illustrated by Frann Preston-Gannon
Ruthless hunters of Kabini, Indian Wild Dogs Dholes having a Sunday feast from behind the lens of #wildographer @awildlens
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Cuon alpinus
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Star-nosed mole (Condylura cristata) pups, found in a compost heap where their mother had built her nest.
Maasai giraffes (Giraffa camelopardalis tippelskirchi) crossing under a bridge of the Standard Gauge Railway line, inside the Nairobi National Park.
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Wolf eel (Anarrhichthys ocellatus) preying on a sea urchin. Their powerful jaws and ossified mouths can effortlessly shred sea urchins and other hard-shelled animals like shellfish and crabs.
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