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Discussion

Ange wrote:
just now
Stunning pics!
Falco peregrinus
GITM2 wrote:
2 hrs ago
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.
Calyptorhynchus lathami lathami
waltraud wrote:
3 hrs ago
https://canberra.naturemapr.org/users/22862, are the old A floribunda dead? I haven't been there for > year; there were also a lot of A decurrens...
Acacia floribunda
MichaelMulvaney wrote:
3 hrs ago
thanks kim
Bisallardiana gymnopleura
KimberiRP wrote:
9 hrs ago
A male.
Acrossidius tasmaniae

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