Gull-billed terns at Awarua Bay, Southland
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Gull-billed terns at Awarua Bay, Southland
The two resident Awarua Gull-billed terns are once again on the Tiwai Bridge Sandspit. I had great views of them as they flew quite low over me several times, they are in full breeding plumage. There had been a 3m tide and large areas of the spit were flooded, huge flocks of Redpolls were making the most of the mini lakes. I had the impression the terns were hunting the Redpolls as they were flying low over the flocks and I see on NZ birds on-line that they are known to catch them. There were also 12 NZ Dotterel (none were banded) roosting with at least 40 Turnstone up on the gravel banks.
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Re: Gull-billed terns at Awarua Bay, Southland
Interesting that none of the nz dotts were banded Phil. Any of them appear to be Juveniles?
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Re: Gull-billed terns at Awarua Bay, Southland
Hi David
Yes most of them looked liked juveniles.
Yes most of them looked liked juveniles.
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Re: Gull-billed terns at Awarua Bay, Southland
Gull-billed terns are known to catch, drown and consume redpolls and other small birds like chicks of species that nest near them. The redpoll predation was observed at Lake Ellesmere a few years ago. There's a bit in Notornis about it. The chick thing was observed in UK.
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Re: Gull-billed terns at Awarua Bay, Southland
Two Australian Gull-billed terns reported at the head of the bay today by Kit Hustler
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Re: Gull-billed terns at Awarua Bay, Southland
One Australian Gull-billed tern seen at Tiwai Spit later yesterday afternoon (3 May 2023), presumably one of the pair Kit Hustler saw a few days ago at the head of Awarua Bay. Non breeding plumage and hawking for crabs over ponds.
More photos and ebird list here - https://ebird.org/atlasnz/checklist/S135898945
More photos and ebird list here - https://ebird.org/atlasnz/checklist/S135898945