Looking Out for Herons

January 16, 2014 at 1:32 pm 2 comments

Over the next few weeks, Grey Herons will be returning to begin another new breeding season.  For some birders, it marks the start of the BTO Heronries Census, the longest running survey of its kind in the world.  Counting nests provides by far the most efficient and accurate measure of breeding numbers for most colonial birds.

Heronry at Stanley Park by wlcutler, on Flickr

Heronry at Stanley Park by wlcutler, on Flickr

In our region, we monitor eight known heronries, with another just outside the boundary at Llwyn-on Reservoir.  Currently we have volunteers visiting all apart from the large colony at Coryton on the outskirts of Cardiff.  Could you help out with this site?  A few visits are required to determine a count of ‘apparently occupied nests’.

It’s possible that there are a few other nesting sites around the region, as new colonies form.  Grey herons nest with just one or two pairs at some sites.  Are there any we have overlooked?

Please get in touch if you have any information or would like to monitor our Coryton site.

Wayne Morris
e: eastglambto@gmail.com

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2 Comments Add your own

  • 1. Andrew  |  January 16, 2014 at 2:37 pm

    Hi Wayne, I’d be happy to take on the Coryton site if you would like to send me through some details. Regards, Andrew

    Sent from my iPhone

    Reply
  • 2. Wayne  |  January 17, 2014 at 9:44 am

    Thanks Andrew

    I’ve contacted you direct about this survey.

    Regards

    Wayne

    Reply

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