Here are the answers:
Mystery Bird 1
I have a red and yellow head and a grey back. I am often considered as a winter wildfowl.
I am a wigeon!
Mystery Bird 3
I am a very secretive bird and I like to hide in reedbeds. I am also a relative of the grey heron.
I am a bittern!
Mystery Bird 3
I am a tit and I have a black and white crest. In Britain, I only live in the scots pine forests.
I am a crested tit!

Oh dear, not so good but at least I tried.
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