Posted by: mynaturaldiary | July 17, 2017

‘Teenage’ Terns

Quitewell grown, but not ready to leave, the ‘teenage’ Terns at the RSPB reserve at Saltholme  are getting large.

Their parents still bring them food, fish from the nearby sea.

Common Tern (Sterna hirundo)

Of course, every other Tern (and nearby gull) is also interested in such a prize, so movement is essential if you don’t want to be robbed.

They are masters of the air. With their long wing to body span, and stabilising tail feathers, they can hover, glide, the lot.

(See videos here, here, here and here)

They form impressive ‘dreads’ which covers the sky when threatened.

(see video here)

The Terns will soon be off to their wintering grounds in West Africa.

Another species with largish youngsters are Canada Geese.

See if you can spot the youngsters in the photograph above. Neck length is a good clue. It’s more obvious in this one, with adults to the back and youngsters to the front.

Canada Geese (Branta canadensis)

This bird gets into the water, almost as getting into a hot bath.

There is a sense of different timescales in this movie. There is the rapid rippling movement of water by the wind, and the slower nods of the flowers by the same; the head movements then even slower movement of the geese across the water, and finally the slowest time signature; the march of the seasons shown by the flowers in bloom signifying summer.

This female Tufted Duck was looking after its young chick

Tufted Duck (Aythya fuligula)

(see video here).

Just as well Mum was watching since a predator was nearby.

Lesser black-backed gull (Larus fuscus)

(see video here).

Black headed gulls, both adult

and juvenile were seen. They still carpet the island in Paddy’s Pool.

 

More Soon!


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