![[Lysimachia europaea 21 | 20230527-A7201306.JPG]](http://pic.beerie.be/view/image/id/52929772364#!%5BLysimachia+europaea+21+%7C+20230527-A7201306.JPG%5D)
![[Lysimachia europaea 11]](http://farm66.static.flickr.com/65535/52132614418_6ec2b57ea5_s.jpg)
Auteur: Bernd Thaller
Beschrijving:
Despite their size (wingspan around 80 cm), the arctic terns are very skilled and agile flight artists. If you get too close to their colony, they will fly acrobatic attacks, during which they will fly very close over your head, screaming loudly. A little scary, but a convenient situation for a photographer as you can get good shots of their flight maneuvers in the process.
I didn't have to go near the nesting sites for this photo. The road passed relatively close to the meadow in southern Iceland that the terns considered their home. And while they tolerated cars, many birds started their routine attacks whenever pedestrians walked down the street.
While you usually need a strong telephoto lens to take pictures of birds in flight, this is a wide-angle shot.
Here I simply pointed the camera upwards with the standard zoom lens in wide-angle position (28mm). A high ISO setting enabled extremely short exposure times (1/8000s) combined with a small aperture for a large depth of field, but it took me countless attempts to get one of the angry birds exactly in the right position in the picture.
The part of a circle appearing in the sky at the edge of the picture is a so-called 22° halo around the sun, an optical phenomenon created by the refraction of sunlight by ice crystals in the atmosphere.
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