ogston bird quiz

[smurf]

hi just back off hols and this one soon needs to be in so if anyone is doing it help needed
in the story i have only found 29 birds, setter says there is at least 31
have got 4 on first row , 1 on second row, 1 on third row, 1 on fourth, 2 on fifth, 4 on sixth, 3 on seventh, 2 on eighth, 2 on ninth, 3 on tenth, 2 on eleventh, 3 on twelfth, 1 on thirteenth so if anyone has anything any different i would be grateful for any help