Identifying gulls

[JohnD]

I have recently taken up ornithology.

I spotted this pair of gulls near the Langstone reserve.

However I can't tell which is the male and which the female.

Are there any helpful clues in appearance or behaviour?

I took this picture:

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[securespark]

 

[jefoss]

 

[libby lou lou]

Are there any helpful clues in appearance or behaviour?

that bit was a waste of electricity