It should be nuptial.
Here some of Raja's photos documenting this awesome behaviour:
http://www.adarman.com/Birds/Raptors/Peregrines
Cheers,
Nikolas
----------------
Nikolas Haass
Sydney, NSW
________________________________
From: Paul Burcher <>
To:
Sent: Tuesday, June 26, 2012 3:10 PM
Subject: RE- SEA EAGLE CATCHING SEAGULL IN MID AIR
Penny et al
My wife, Jackie and daughter, Isabel, saw three White-bellied Sea-eagles just
above the old tollgates at Berowra (between Cowan and Berowra Creeks just south
of the Hawkesbury) the other day. What was unusual was two of them engaged in a
downward spiraling talon-locking flight. Would this be territorial (with the
third a female) or nuptial? They're seen fairly regularly in the area as are
Wedge-tailed Eagles, Collared Sparrowhawks, Grey/White Goshawk, Peregrine
Falcon and the very occasional Little Eagle.
Paul
On 25/06/2012 8:05 PM, PennyDB wrote:
> Regarding numbers (up or down) of White-bellied Sea-Eagles on the NSW Central
> Coast and whereabouts, on a recent trip up the Hawkesbury River, 5 - 7 May
> from Brooklyn to Peat's restaurant and beyond, I saw a pair at Brooklyn, a
> pair with 2 juveniles opposite Milsons Island and another pair further up
> river not far from Borowra.
>
> Perhaps there is an excellent source of prey in the river and the air -
> certainly quite a few Silver Gulls around and there were many people fishing.
>
>> Patrick,
>>
>> A basic rule in ecology is that the prey controls the predator, not the
>> predator the prey.
>>
>> In other words: Much prey - good time for the predator.Shortage of prey -
>> bad time for the predator.
>> If predators would control their prey, this cycle wouldn't work.
>> Unfortunately there are exceptions; certain species in man-made or
>> man-influenced habitat and - of course - man itself...
>>
>> In other words again: There are White-bellied Sea-eagles around as long as
>> there is abundance of its prey. It is not the White-bellied Sea-eagles who
>> reduce their prey - it is us!
>>
>> I hope the real ecologists out there are not going to punish me for this
>> very simplified statement!
>>
>>
>> Cheers,
>>
>> Nikolas
>>
>> ----------------
>> Nikolas Haass
>>
>> Sydney, NSW
>>
>>
>> ________________________________
>> From: patrick appleton<>
>> To:
>> Sent: Monday, June 25, 2012 4:57 PM
>> Subject: [Birding-Aus] RE- SEA EAGLE CATCHING SEAGULL IN MID AIR
>>
>>
>> When Sea Eagles snatch up swan cygnets I momentarily hate them and threaten
>> to cancel my subscription to Sea Eagle Cam but I had no idea they'd feed on
>> seagull.
>> So why then, are there so few Sea Eagles and an abundance of Gulls????
>> ALSO:
>>
>> The Black Swan Communal Nesting Site at Paynesville, (Gippsland Lakes) has
>> its first occupants for this season with 3 nests occupied. At nest #1 both
>> mum& dad were in the water today and I saw a white (???????) seabird swoop
>> down and steal an egg and started eating the yellow contents in about 6
>> inches of water by the lake edge. Dad came by and after having a taste of
>> the contents himself, washed the contents out of the egg shell and threw it
>> into deeper water.
>>
>> Obviously my first question is, What is the name of the white seabird that
>> looks like a plain seagull on steroids, (about twice the size) like a dwarf
>> Albatross ????
>> Also, why do black swans leave their nests to chastise harmless juvenile
>> swans yet pay no attention to egg stealing preditors ???
>> Is it an experience thing? I notice the other two nests are never left
>> unattended. ===============================
>
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