A “catchlight” is simply the highlight of a light source reflected off the surface of the eye. This highlight adds depth and dimension to the eye, and gives the eyes life in a portrait or snapshot.
Even the smallest spark can make all of the difference when it comes to bringing energy and dynamism to a photograph.
July Squares | Perspective
Cornwall in Colours 
What a magnificent photo!
THAT is an amazing photo!
Plenty of practice!
That’s a really interesting point, Jude – and a great photo of course
Beautiful portrait of the Gull, Jude – an eye-catcher and a great title!
Wonderful macro! I want to reach out and pet that soft feathered gull. 🙂