Best viewed on ipad or laptop.
On smartphone use landscape
Touchscreens tap to stop. Computers click to stop.Right arrow to resume.
Also known as sea swallow it has long streamers and is white with a black cap
It is 32cm to 35cm in length
It has a wingspan of 75 to 85cm
It weighs in at between 95g and 120g.
There are around 55,000 breeding pairs in the uk
Very similar to the common and roseate tern.
Photos to follow