birding-aus
Hello everyone,
For those that are interested there were a couple of very interesting
articles published in the Emu and Corella by Allen Keast about 5 years ago
about what time certain birds rose in the morning and on calling behaviour.
The articles are:
A. Keast. Temporal vocalisation patterns in members of a eucalypt forest
bird community: the effects of weather on song production. Emu 94
(3):172-180, 1994.
A. Keast. The dawn chorus in a eucalypt forest bird community, seasonal
shifts in timing and contribution of individual species. Corella 18
(5):133-140, 1994.
Mick
Michael Todd
Finch Researcher,
Dept.of Environment and Heritage,
Pormpuraaw, Qld, Australia, 4871
-----Original Message-----
From: David Geering <>
To: <>
Date: Wednesday, 3 February 1999 8:45
Subject: birding-aus Re: Early birds
>birding-aus
>
>
>Carol
>
>I suggest that early calling birds are not necessarily feeding but calling
>from their roost site (or perhaps nearby - don't want to tell everyone
>where you sleep I suppose). There are a number of theories about why birds
>call in a dawn chorus. Advertising their territory one good explanation,
>sounding of the roll call another - Oh dear! Ralph the Catbird died in his
>sleep!!
>
>My experience of regularly camping in the northern NSW rainforests are that
>the early callers are Eastern Yellow Robin, Bassian and Russet-tailed
>Thrush, Catbird and Logrunners. Many years ago I placed a tape record in a
>rainforest gully to get a recording of the dawn chorus and then went back
>to bed. The result was impressive - from silence to a gradual, but fairly
>quick, increase in the number of species calling. A Russet-tailed Thrush
>gradually came closer and closer until I swear that it was just in front of
>the microphone. Obviously this species is on the move early.
>
>While setting mist-nests in rainforest, often in the half dark, it was not
>unusual to catch birds before the net was on the second set of poles.
>These were often Lewin's Honeyeaters. Guess that the early bird also gets
>the early fruit, at least you get your fair share. Other early movers are
>the thrushes and Catbirds. If I was going to catch a Catbird it was almost
>invariably first thing before sunrise. This might merely reflect that they
>move lower early in the day but they were on the move before full light.
>
>David
>
>
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