Calyptorhynchus lathami lathami

2 Glossy Black-Cockatoo at Fitzroy Falls, NSW

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User's notes

Lone male feeding quietly. Some tail feathers seem to have bars - would this be because he is young and is still in the process of losing his juvenile feathers?

1 comment

GITM2 wrote:
   19 Jan 2026
Good observation, @PDL08. If a male glossy has barring in the tail, it is considered a juvenile or subadult. As for an age in years, you might be interested in an article by John Courtney, 'Plumage Development and Breeding Biology of the
Glossy Black-Cockatoo Calyptorhynchus lathami', 1986. The study involved captive birds and reported that some tail feathers without bars (males) were observed at an age of 2 1/2 years. I have been able to find the abstract for this article on the website, informit.org.

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Location information

Sighting information

  • 1 Abundance
  • PDL08 Recorded by
  • Feeding Activity
  • Male Sex
  • Unsure Age
  • Whitish-green Colour of chewings
  • Yes Chewed sheoak cones

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Species information

Seasonal activity

  • Was this a nesting or breeding site?

    J
    F
    M
    A
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    J
    J
    A
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    D

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