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Water & Shore birdThalasseus bergii

Crested Tern at Narooma, NSW

Thalasseus bergii at Narooma, NSW - 25 Jul 2019

Identification history

Water & Shore bird Thalasseus bergii 2 Sep 2019 JackieMiles
Unidentified 1 Sep 2019 HelenR

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Author's notes

Thought this was a juvenile crested tern at first, but seems too small. Was very vocal like a young one waiting to be fed. Approx 25-30cm in length, ? little tern

4 comments

   2 Sep 2019
Hi Helen, It fits the images of a Crested Tern in non-breeding plumage in our CSIRO field guide pretty closely, with that hint of a crest, and the fact that the plumage on the back is uniform grey, not speckled. So maybe not being vocal about feeding, but being aggressive towards other birds nearby? The book gives body weight, not length, but Little Terns are much smaller than Crested Terns (42-65 grams compared with 275-371g) so just being a bit small isn't going to make it a Little!
   2 Sep 2019
Also, the fact that it has black legs shows that it is a Crested Tern. Little Terns have yellow legs, at least when as an adult in breeding mode. If it was a Little Tern in non-breeding mode it wouldn’t have a yellow bill.
HelenR wrote:
   2 Sep 2019
Thanks Jackie and Paul, that all makes sense now. I had better brush up on terns! Helen
   3 Sep 2019
Good luck with that one - they're subtle. Nine times out of ten they'll be cresteds, but just occasionally something more interesting turns up, and it's good to be able to pick up on that.

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Nearby Sightings

Page 1 of 1 pages - image sightings only 154 0 41

Pleurobranchus peronii (Pleurobranchus peronii) at Narooma, NSW - 26 May 2019 by Jack Breedon Phalacrocorax carbo (Great Cormorant) at Narooma, NSW - 26 Feb 2019 by KerriLee Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 13 Jan 2019 by LizAllen Bullina lineata (Red-lined Bubble Shell) at Narooma, NSW - 13 Jan 2019 by LizAllen Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 13 Jan 2019 by PhilBLynB Hypselodoris bennetti (Hypselodoris bennetti) at Narooma, NSW - 13 Jan 2019 by PhilBLynB Octopus tetricus (Gloomy Octopus) at Narooma, NSW - 13 Jan 2019 by LizAllen Hypselodoris obscura (Hypselodoris obscura) at Narooma, NSW - 13 Jan 2019 by PhilBLynB Polycera hedgpethi at Narooma, NSW - 13 Jan 2019 by PhilBLynB Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 13 Jan 2019 by libbyh Goniobranchus daphne at Narooma, NSW - 28 Apr 2018 by Jack Breedon Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 28 Apr 2018 by Jack Breedon Philinopsis cyanea (Philinopsis cyanea) at Narooma, NSW - 27 Apr 2018 by Jack Breedon Pleurobranchus peronii (Pleurobranchus peronii) at Narooma, NSW - 8 Apr 2018 by PhilM Polycera hedgpethi at Narooma, NSW - 8 Apr 2018 by PhilM Ceratosoma amoenum (Clown Nudibranch) at Narooma, NSW - 8 Apr 2018 by PhilM Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 8 Apr 2018 by PhilM Hypselodoris bennetti (Hypselodoris bennetti) at Narooma, NSW - 8 Apr 2018 by PhilM Umbraculum umbraculum (Atlantic Umbrella Slug) at Narooma, NSW - 8 Apr 2018 by PhilM Ceratosoma amoenum (Clown Nudibranch) at Narooma, NSW - 6 Apr 2018 by BillBarker Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 6 Apr 2018 by BillBarker Hypselodoris bennetti (Hypselodoris bennetti) at Narooma, NSW - 6 Apr 2018 by BillBarker Gymnothorax prasinus (Green Moray) at Narooma, NSW - 17 May 2017 by CBrandis Heteroscelus brevipes (Grey-tailed Tattler) at Narooma, NSW - 19 Mar 2016 by MaxCampbell Scutus antipodes (Elephant Snail) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Pinna bicolor (Bicoloured Pinna Shell) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Ophionereis schayeri (Banded Brittle Star) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Centrostephanus rodgersii (Black Sea Urchin) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Tonna variegata (Variegated Tun) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Chiridota gigas (Sea Cucumber) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Mariaglaja inornata (Chelidonura inornata) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Umbraculum umbraculum (Atlantic Umbrella Slug) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Phyllacanthus parvispinus (Pencil Urchin) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Ceratosoma amoenum (Clown Nudibranch) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Pleurobranchus peronii (Pleurobranchus peronii) at Narooma, NSW - 31 May 2015 by MichaelMcMaster Hapalochlaena maculosa (Southern Blue-ringed Octopus) at Narooma, NSW - 17 Jan 2015 by ALCW_BDRS Hydatina physis (Brown-line Paperbubble) at Narooma, NSW - 1 Mar 2014 by ALCW_BDRS Madrella sanguinea (Madrella sanguinea) at Narooma, NSW - 1 Mar 2014 by ALCW_BDRS Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 1 Mar 2014 by ALCW_BDRS Coscinasterias muricata (Eleven-armed Seastar) at Narooma, NSW - 11 Jul 2013 by ALCW_BDRS Gymnothorax prasinus (Green Moray) at Narooma, NSW - 10 Jul 2013 by ALCW_BDRS
Pleurobranchus peronii (Pleurobranchus peronii) at Narooma, NSW - 26 May 2019 by Jack Breedon
Phalacrocorax carbo (Great Cormorant) at Narooma, NSW - 26 Feb 2019 by KerriLee
Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 13 Jan 2019 by LizAllen
Bullina lineata (Red-lined Bubble Shell) at Narooma, NSW - 13 Jan 2019 by LizAllen
Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 13 Jan 2019 by PhilBLynB
Hypselodoris bennetti (Hypselodoris bennetti) at Narooma, NSW - 13 Jan 2019 by PhilBLynB
Octopus tetricus (Gloomy Octopus) at Narooma, NSW - 13 Jan 2019 by LizAllen
Hypselodoris obscura (Hypselodoris obscura) at Narooma, NSW - 13 Jan 2019 by PhilBLynB
Polycera hedgpethi at Narooma, NSW - 13 Jan 2019 by PhilBLynB
Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 13 Jan 2019 by libbyh
Goniobranchus daphne at Narooma, NSW - 28 Apr 2018 by Jack Breedon
Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 28 Apr 2018 by Jack Breedon
Philinopsis cyanea (Philinopsis cyanea) at Narooma, NSW - 27 Apr 2018 by Jack Breedon
Pleurobranchus peronii (Pleurobranchus peronii) at Narooma, NSW - 8 Apr 2018 by PhilM
Polycera hedgpethi at Narooma, NSW - 8 Apr 2018 by PhilM
Ceratosoma amoenum (Clown Nudibranch) at Narooma, NSW - 8 Apr 2018 by PhilM
Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 8 Apr 2018 by PhilM
Hypselodoris bennetti (Hypselodoris bennetti) at Narooma, NSW - 8 Apr 2018 by PhilM
Umbraculum umbraculum (Atlantic Umbrella Slug) at Narooma, NSW - 8 Apr 2018 by PhilM
Ceratosoma amoenum (Clown Nudibranch) at Narooma, NSW - 6 Apr 2018 by BillBarker
Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 6 Apr 2018 by BillBarker
Hypselodoris bennetti (Hypselodoris bennetti) at Narooma, NSW - 6 Apr 2018 by BillBarker
Gymnothorax prasinus (Green Moray) at Narooma, NSW - 17 May 2017 by CBrandis
Heteroscelus brevipes (Grey-tailed Tattler) at Narooma, NSW - 19 Mar 2016 by MaxCampbell
Scutus antipodes (Elephant Snail) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Pinna bicolor (Bicoloured Pinna Shell) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Ophionereis schayeri (Banded Brittle Star) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Centrostephanus rodgersii (Black Sea Urchin) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Tonna variegata (Variegated Tun) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Chiridota gigas (Sea Cucumber) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Mariaglaja inornata (Chelidonura inornata) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Umbraculum umbraculum (Atlantic Umbrella Slug) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Phyllacanthus parvispinus (Pencil Urchin) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Ceratosoma amoenum (Clown Nudibranch) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Pleurobranchus peronii (Pleurobranchus peronii) at Narooma, NSW - 31 May 2015 by MichaelMcMaster
Hapalochlaena maculosa (Southern Blue-ringed Octopus) at Narooma, NSW - 17 Jan 2015 by ALCW_BDRS
Hydatina physis (Brown-line Paperbubble) at Narooma, NSW - 1 Mar 2014 by ALCW_BDRS
Madrella sanguinea (Madrella sanguinea) at Narooma, NSW - 1 Mar 2014 by ALCW_BDRS
Plocamopherus imperialis (Plocamopherus imperialis) at Narooma, NSW - 1 Mar 2014 by ALCW_BDRS
Coscinasterias muricata (Eleven-armed Seastar) at Narooma, NSW - 11 Jul 2013 by ALCW_BDRS
Gymnothorax prasinus (Green Moray) at Narooma, NSW - 10 Jul 2013 by ALCW_BDRS

1 

Location information

Species information

  • Not Sensitive
  • Local Native
  • Non-Invasive

Sighting information

  • 1 Abundance
  • 25 Jul 2019 Recorded on
  • HelenR Recorded by

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