Saturday, 15 December 2012

Bittern roosting at dusk

The small reedbed at Fishers Green, in the Lea Valley just north of London, often hosts Eurasian Bittern in winter, and sometimes up to three are present. This bird was seen mid-morning today, but not again by the time I arrived at 2.45pm. Just as I was about to leave at 4pm, with the light fading rapidly, it suddenly emerged from hiding and clambered straight up to the top of the reeds to roost - perhaps surprisingly, they are capable of supporting its weight. Presumably, roosting in this way keeps the bird safe from predators such as Foxes. I filmed these three short sequences in HD using a Canon EOS 7D with EF 500 mm F4 lens and 1.4x extender - thanks to my son Ed for joining them together and editing this clip.

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