Small seabirds of Blue Rocks

To: Russell Woodford <>, Kev Lobotomi <>
Subject: Small seabirds of Blue Rocks
From: Nikolas Haass <>
Date: Sun, 1 Jun 2014 13:21:25 +0000
Hi Russell,

Yes, Storm-petrels do hang around in flocks. E.g. I have seen approx.
5,000 Ashy Storm-petrels (about 50% of the world population) in one dense
raft off California. Here in Australia I've seen a flock of 300 Wilson's
Storm-petrels and smaller flocks of other species. However, your
description doesn't really fit Storm-petrels. The only one that matches
the coloration you mentioned would be White-faced Storm-petrel. But flight
style doesn't fit. Looks like further information is needed to identify



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On 1/06/14 10:57 PM, "Russell Woodford" <> wrote:

>Hi Kevin
>These seemed a lot smaller, or at least chunkier (shorter-winged and stout
>body) than shearwaters. I tried to look for the M marking to make them
>sort of Prion but I just couldn't see enough detail.
>I wondered about CDP but as I've never seen one I wouldn't stick my neck
>out and try to identify anything as a diving-petrel. And storm-petrel
>hang around in flocks, do they?
>I think the closest I can get is "dumpy seabirds a long way away." I think
>I need to go on another pelagic!
>On 1 June 2014 22:48, Kev Lobotomi <> wrote:
>> Hi Russell
>> What you describe reminds me more of Fluttering Shearwaters. They tend
>> flap a lot & then glide. Fluttering are blackish above white below,
>> are blue-grey above with a distinct M marking across the upperparts &
>> below. Prions have a more buoyant flight with lots of gliding and
>> on the surface. I suppose the other possibility is Diving Petrels, but
>> are rarely seen from shore. They are tiny compared to the other two &
>> flight is not dissimilar to a quail with a whirr of wings, although
>>they do
>> glide a little as well in a strong breeze.-Kevin Bartram
>> > Date: Sun, 1 Jun 2014 22:34:09 +1000
>> > From: 
>> > To: 
>> > Subject: [Birding-Aus] Small seabirds of Blue Rocks
>> >
>> > Also late this afternoon, close to sunset, very hazy ...
>> >
>> > There was a group of 45-50 smallish dumpy seabirds about a kilometer
>> > the beach. They would head in one direction, then wheel around and
>> in
>> > the other. They did this for a few turns then headed westwards. Flight
>> > usually began with fast wingbeats followed by short glides very low
>> > water. Some birds landed briefly. White contrasting with darker grey,
>> but I
>> > couldn't pick up any clearer markings. Fairy Prion? Or too hard to
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