Cooktown Slaty-backed Gull and other ID questions

[L&L Knight <>]

You mean the way all stints are recorded as RNS, all golden plovers  
are recorded as PGP, all tattlers [on a wader roost] are recorded as  
GTT etc?
regards, Laurie.


On 24/02/2008, at 11:28 AM, Mick Roderick wrote:
> To put the advocate's hat on again (just for the sake of it), I have  
> wondered about similar ID problems for certain species such as the  
> Diving Petrels. When we look at these birds on a pelagic trip off  
> Tasmanina, for example, obviously all or the vast majority of them  
> are going to be Common DP's...but until we have the bird in the  
> hand, how can we be certain that what we are looking at are not  
> South Georgian DP's?
> Is a "positive ID" always such?
>
> Just ID food for thought.
>
> Mick Roderick
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