Interesting report on the intergrade Rosellas, Richard.
We lived for a number of years in both Boggabilla and Tenterfield, NSW, where
both Pale-headed and Eastern Rosellas occur. We never found any 'intergrade'
birds, though it's interesting to read of these reports.
Cheers,
John Tongue
Ulverstone, Tas.
On 11/02/2013, at 5:03 PM, Richard Johnstone wrote:
> Hi. From 10.20 am until 12.30 pm yesterday (10 Feb) there were at least 200
> Fork-tailed Swifts hawking over the ridge where the Great Western Highway
> runs through Blaxland. I went back to the same spot at the corner of the
> highway and Bridge Rd twice, hoping to see other species of swift in the
> large loose flock, but no luck - no Little Swift or even any White-throated
> Needletails. At my house only 500 metres to the north I saw absolutely no
> swifts, they appeared to be concentrated along a stretch of highway where
> the uplift of wind from Fitzgerald Creek was bringing up insects. There were
> also quite a lot of welcome Swallows at lower elevations as well. Conditions
> were almost calm, sunny and humid, lots of rain the night before.
>
> I saw only 2 White-throated Needletails on a recent work field trip (seed
> collecting), on Monday Feb 4th at Brunswick Heads, 2 single birds about 5
> minutes apart. Usually when I stay there during the summer there are good
> numbers of Needletails, last week was very cool, after the passing of the
> rain from cyclone Oswald.
>
> The other interesting observation I made on that trip was around Delungra
> and Gravesend, west of Inverell, where I saw at least 4 pairs of rosellas
> that appeared to be intergrades between Eastern and Pale-headed Rosellas.
> They mostly appeared to be very bright sulphur yellow on the back, with a
> fairly bright orange yellow head, with varying amounts of bright red on the
> crown. I have seen one pair of what I assumed to be this intergrade many
> years ago near Cunningham's Gap in Qld, that pair both had very bright
> golden orange heads, with no scarlet.
>
> Cheers, Richard.
>
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