AdrianaESFT's picture

Tees Valley

Observed: 22nd May 2013 By: AdrianaESFTAdrianaESFT’s reputation in MammalsAdrianaESFT’s reputation in Mammals
Tees Valley- seals at Salt
Tees Valley Away Day 025
Species interactions

No interactions present.


Gill Sinclair's picture

Rusty seal

The red colouration seen in the animal on the left is usually due to iron oxide deposits in the guard hairs - is this colouration common on the Tees?

Gill Sinclair
OU Certificate in Contemporary Science
Twitter @Gill_Sinclair

the naturalist man's picture


It wouldn't surprise me Gill as the rocks around Middlesborough are full of ironstone.

There's a famous breeding colony of common seals in the mouth of the Tees near Saltholme.

Graham Banwell

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AdrianaESFT's picture

Rusty seals

I wondered why it was that colour but thought it was natural variation- fascinating that is is likely to be from iron oxide deposits.
And yes these seals were at Saltholme.

Adriana Ford-Thompson