Guess the species in the canopy? :)

If you mean the little blue bird then its a Paradise tanager .

@vogelcommando oh no vogelcommando. I mean on the bird with blue face in the tree canopy, but it's not a tanager

No, it's a medium-sized greenish bird with a blue face, a blue-faced honeyeater

@gentle lemur We have the winner, that's the right answer; thank you gentle lemur. Photo taken at Attica Zoological Park last Tuesday.

You are so right gentle lemur ! I saw the photo first on my mobile telephone ( small screen ) and was convinced it being a paradise tanager. Now on the larger picture on my PC I see the blue is not the complete bird but only the face of a Blue-faced honeyeater !