A couple of people have recently asked about how to track down Song
Thrush in Melbourne. For a bit of fun (and because it's Friday and I'm
bored) I've put together a few notes that may help people locate this
somewhat cryptic bird.
* The relative territory size of the Song Thrush is large for a
passerine, about 4 hectares. This compares to the territory of a
European Blackbird, which is about 0.3 hectares. The large size is one
reason they are hard to track down in Melbourne parks and suburbs.
* Song Thrush is one of the earliest initiators of singing before
sunrise; about 40 minutes before dawn. (Blackbirds start slightly
earlier.) So if you want to find a Song Thrush it is worth getting to
your site before dawn (i.e. standard birding behaviour).
* The Song Thrush has a very large song repertoire, one of the
largest for the oscine (songbirds). It can be anywhere between 140 to
220 different songs. This compares with a Blackbird 20 to 50 different
songs. (The bird with the most songs is the Brown Thrasher from North
America. It looks quite similar to a Song Thrush and has a repertoire of
3000 plus distinct songs. A Sunbird has one.)
* The most common call during the day is a sharp tsip (somewhat
similar to the Green Catbird, although that's just my opinion). It is by
this call that I usually locate Song Thrush during the day.
* Snails! Song Thrush love snails! A sure fire why to track them
down is to look for empty piles of snail shells.
* Statistically in Melbourne they are best found that the following
sites: Edwardes Lake Park, Reservoir (50%), Royal Botanic Gardens (42%),
Royal Melbourne Zoo, Parkville (29%), Merri Creek Trail (19%), Newport
Lakes Reserve (17%). In the last couple of years they have also been
recorded at Brodie's Lakes (Greenvale Dam), Jells Park, Newport Lakes,
Northcote including my backyard.
* Although relatively common in Europe, they are in serious
decline. Let's hope it doesn't end up like the situation of the
Yellowhammer, which is probably more abundant in New Zealand than it is
in Europe where it is also in serious decline. My feeling anecdotal
feeling is that Song Thrush are also declining Melbourne.
* Along with the European Blackbird, in Melbourne the Song Thrush is
often described as a nice introduced bird, as opposed to Starlings, Rock
Doves, sparrows etc. The only annoying thing they seem to do is disturb
people suburban garden beds. Any thing else?
* The crest of the English soccer team West Bromwich Albion
features a Song Thrush! See
http://www.wba.premiumtv.co.uk/page/Home/0,,10366,00.html (The soccer
team I follow is Arsenal and the crest features a ... )
Now I should get back to doing some work. Believe it or not, I'm
actually flat out!
Cheers,
Tim Dolby
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I had no idea they have such a wide repertoire.
But you didn't quote Robert Browning's 'Home thoughts from Abroad':
"That's the wise thrush; he sings each song twice over,
Lest you should think he never could recapture
The first fine careless rapture!"
Various sources say they most often repeat a phrase three times (sometimes
four) but it's a great way of separating them from blackbirds (which have a
similar tone to my ear).
And they often sing from the top of a tree meaning you can see them several
blocks away.
Incidentally, I have a memory of a study suggesting Song Thrushes were in
decline in the UK because Blackbirds have learnt how to steal the snails
after the thrushes have opened them.
Enjoy the weekend - even though it's a month or so before they will really
be singing.
Michael Norris
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John Tongue
Ulverstone, Tas.
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Tim wrote:
"Snails! Song Thrush love snails! A sure fire why to track them down is to
look for empty piles of snail shells"
When I was growing up in Coburg in the 1950s, Song Thrushes were very
common and I would often watch them breaking snail shells against a rock or
the footpath prior to eating the snail. By the early 1960s, Song Thrushes
were rarely seen and my mother, who was a keen observer of nature (and
still is), said that their absence was a consequence of eating snails
poisoned with snail pellets.
How close to the mark was she?
David
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* The crest of the English soccer team West Bromwich Albion
features a Song Thrush! See
http://www.wba.premiumtv.co.uk/page/Home/0,,10366,00.html (The soccer
team I follow is Arsenal and the crest features a ... )
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The Song Thrushes on Lord Howe Island include quite a bit of mimicry in
their song. Back in '97 I sent a tape of them to Peter Slater (University
of St Andrews Professor, not our Australian Peter Slater) and he commented:
"I thought it very interesting. It is clearly song thrush, but also full of
all sorts of ethereal Australian noises." I've wondered whether it was the
mimicry of Australian birds that occasioned that remark.
Any mimicry with your Melbourne songsters?
Cheers
Syd
> From: "Tim Dolby" <Tim....@vu.edu.au>
> Date: Fri, 16 May 2008 12:54:47 +1000
> To: <birdi...@vicnet.net.au>
> Subject: [Birding-Aus] Song Thrush: Friday Bird in Focus
>
> * The Song Thrush has a very large song repertoire, one of the
> largest for the oscine (songbirds). It can be anywhere between 140 to
> 220 different songs. This compares with a Blackbird 20 to 50 different
> songs. (The bird with the most songs is the Brown Thrasher from North
> America. It looks quite similar to a Song Thrush and has a repertoire of
> 3000 plus distinct songs. A Sunbird has one.)
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I was interested in the remark about size of territories - which explains why Song Thrushes are always much less common than Blackbirds.
Rosemary Royle
Wales, UK
The territory requirement of Song Thrushes (4ha) versus Blackbirds (0.3ha)
reminds me of something I have observed and wondered about in 2 of out local
urbanised natives - Red and Little Wattlebirds. Little Wattlebirds have only
become resident in my area (Coburg, Melbourne) within the last 5-10 years.
Reds have been here all the time I've been here ~30yrs. I suspect these 2,
while occupying similar habitat niches, like the Song Thrush and Blackbird,
have very different home territory requirements.
Reds live and breed very successfully (up to 3 or more broods a year, often
with 2 young/brood fledging) in and around my and my neighbours garden.
While I have not studied it in detail, the pair appear to use an area of
only about 7 or so of our house blocks. They are also quite inventive with
nest sites. For one or more seasons they nested in a small (~2m high) Pencil
Pine in the 'garden' (~3sq m grass, 4 small Pencil Pines) of the huge
"palace" across the road. Food collecting occured elsewhere!
I am not sure if the Littles breed here, though the first arrivals nearly
drove my then (nightshift working) partner to 'bird-icide', calling, LOUDLY
all day for weeks, for a mate. There is little calling in recent seasons so
I assume there is now a pair.
The next pair of Reds seem to live only one residential cross street away.
Not sure where the next Little pair lives, but my feeling is, it is much
further away.
While their larger size may mean the Reds are better able to harass/compete
with the Littles, I wonder if they are also better able to utilize the
strange variety of food on offer in an urban area like this. Apart from
their traditional diet of insects and nectar from my Eucs etc, the Reds are
happy to eat my figs, apricots and other fruits - being very polite and
eating most of the one fruit, not sampling (damaging) all on the tree like
some birds do. They also nectar feed from non-native trees in my neighbours
garden such as camellias. I think I have also seen them eat dog food and
other unnatural things. The Reds can also tackle some impressive prey items.
I often become aware of the first emergence of Greengrocer Cicadas, when I
find the poor creature being dismembered and eaten by a Red Wattlebird
I suspect the Littles are more specific, less adventurous feeders. I see
them feeding in native blooms and hunting bite-sized insects. They seem to
be more wary than the Reds and stay higher in the trees. I see Reds hopping
about on the ground hunting and foraging (and dismembering cicadas!) - never
Littles.
I also wonder if this territory size difference is only a phenomenon of
urban habitat. Or is it the same in the bush?
Any thoughts Tim, or others?
Wendy Moore
----- Original Message -----
From: "Tim Dolby" <Tim....@vu.edu.au>
To: <birdi...@vicnet.net.au>
Sent: Friday, May 16, 2008 12:54 PM
Subject: [Birding-Aus] Song Thrush: Friday Bird in Focus
Hi birders,
A couple of people have recently asked about how to track down Song
Thrush in Melbourne. For a bit of fun (and because it's Friday and I'm
bored) I've put together a few notes that may help people locate this
somewhat cryptic bird.
* The relative territory size of the Song Thrush is large for a
passerine, about 4 hectares. This compares to the territory of a
European Blackbird, which is about 0.3 hectares. The large size is one
reason they are hard to track down in Melbourne parks and suburbs.
===============================
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===============================
Little Wattlebirds are somewhat more restricted in their diet, using a
somewhat more specialized brush-tipped tongue to feed on nectar,
although they do feed on other foods such as insects, flowers, berries.
Their long tongue is specifically adapted to plants such as banksia and
grevillea.
Little Wattlebird are becoming more common. The main reason for this is
almost certainly related to the fact that people are planting more
banksia and grevillea species. In my yard alone I have planted 3 banksia
species (Banksia serrata, B. marginata, B. spinulosa) and a range of
grevillea and grevillea cultivar hybrids (Grevillea rosmarinifolia, G.
Robusta, G. Elegance, G. Honey Gem, G. Poorinda). Little Wattlebirds,
and a few others, such as Eastern Spinebill, love them. The ongoing
'drought' conditions have therefore favoured this species, mainly
because people are starting to plant the sort of plants that don't need
much watering. Australian city habitats are changing.
Tim Dolby
Wendy Moore
Hi birders,
Anthea Fleming
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If we think in terms of the scientific principle known as Occam's razor,
which proposes that one should shave down the accumulation of possible
explanations until the simplest reasonable explanation remains, with
regards to Song Thrush it is possible to make the following links: Song
Thrush like snails, snails like moisture, in Melbourne there is less
moisture and as a consequence there are less snails (and slugs etc).
Ipso facto, lex parsimoniae and el presto, less Song Thrush.
Tim Dolby
From: Rosemary Royle [mailto:rosema...@tiscali.co.uk]
Sent: Saturday, 17 May 2008 6:58 AM
To: Tim Dolby; birding aus; David...@dpcd.vic.gov.au
Subject: Re: [Birding-Aus] Song Thrush: Friday Bird in Focus
There is a widely held belief that the cause of the decline in Song
Thrushes in the UK is due to them eating snails poisoned with slug
pellets. However as far as I am aware there is no evidence at all for
this - and it assumes that most Song Thrushes live in gardens which they
don't. (I am still unclear myself whether a diet of poisoned snails will
actually poison an individual Song Thrush though I am sure that the
overall effects on populations are likely to be minimal) The
intensification of agriculture together with dry spring weather,
especially in the SE is thought to be a more likely cause. They have
actually reversed their decline at the moment and are doing OK in the
wetter parts of the country.
I was interested in the remark about size of territories - which
explains why Song Thrushes are always much less common than Blackbirds.
Rosemary Royle
Wales, UK
Tim wrote:
"Snails! Song Thrush love snails! A sure fire why to track them down is
to look for empty piles of snail shells"
When I was growing up in Coburg in the 1950s, Song Thrushes were very
common and I would often watch them breaking snail shells against a rock
or the footpath prior to eating the snail. By the early 1960s, Song
Thrushes were rarely seen and my mother, who was a keen observer of
nature (and still is), said that their absence was a consequence of
eating snails poisoned with snail pellets.
How close to the mark was she?
David
Other factor would be urban infill/higher urban density, and resultant loss
or shrinking of house block gardens. While sadly this is not great for urban
wildlife, I support it as it helps control urban sprawl.
The current massive growth around Melbourne in the Werribee, Hume and Epping
corridors, often in previous Green Wedge areas, is horrendous. Large areas
of very rare and significant remnant vegetation is being destroyed, in
particular Western Basalt Plains Grassland and Red Gum Grassy Woodland.
Habitat to many rare and endangered animals and plants. Infrastructure
development to support this sprawl further exacerbates the habitat loss not
to mention the other adverse environmental contributions (e.g. more roads -
greenhouse)
Wendy Moore
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2008/5/19 Wendy <woob...@pipeline.com.au>:
I also agree with Wendy that such developments are necessary to reduce
the need to develop the green wedges, etc, but I'm not comfortable that
the loss of gardens isn't being compensated for with equivalent planting
in parks, etc. These should, of course, be designed for native birds,
not Song Thrushes.
Peter Shute
-----Original Message-----
From: birding-a...@vicnet.net.au
[mailto:birding-a...@vicnet.net.au] On Behalf Of Dave Torr
Sent: Monday, 19 May 2008 1:16 PM
To: Wendy
Cc: Birding-aus
Subject: Re: [Birding-Aus] Song Thrush: Friday Bird in Focus
2008/5/19 Peter Shute <psh...@nuw.org.au>:
-----Original Message-----
From: birding-a...@vicnet.net.au
[mailto:birding-a...@vicnet.net.au] On Behalf Of Arwen B. Ximenes
Sent: Thursday, May 22, 2008 10:25 AM
To: tim....@vu.edu.au; flam...@labyrinth.net.au;
woob...@pipeline.com.au
Cc: birdi...@vicnet.net.au
Subject: [Birding-Aus] RE: (Urban) Red V Little Wattlebirds
territoryrequirements
http://www.livelife.ninemsn.com.au/article.aspx?id=343869==========www.b
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> From: prati...@esc.net.au> To: arw...@hotmail.com; tim....@vu.edu.au; flam...@labyrinth.net.au; woob...@pipeline.com.au> Subject: RE: [Birding-Aus] RE: (Urban) Red V Little Wattlebirds territoryrequirements> Date: Thu, 22 May 2008 10:28:55 +0930> CC: birdi...@vicnet.net.au> > I think I'd like both the camellias and the birds.> > -----Original Message-----> From: birding-a...@vicnet.net.au> [mailto:birding-a...@vicnet.net.au] On Behalf Of Arwen B. Ximenes> Sent: Thursday, May 22, 2008 10:25 AM> To: tim....@vu.edu.au; flam...@labyrinth.net.au;> woob...@pipeline.com.au> Cc: birdi...@vicnet.net.au> Subject: [Birding-Aus] RE: (Urban) Red V Little Wattlebirds> territoryrequirements> > > > "It's not only Australian plants which feed Little Wattlebirds.> Inrecent years Little Wattlebirds have arrived every Autumn in our> garden"> > > I constantly bemoan the fact that we inherited so many camelia trees> (30+) when we moved to the mid-Mountains (Blue Mountains) as I'm not a> camelia fan and would far rather a native garden, however nearly all of> them are now in flower and the Little Wattlebirds and Spinebills feed in> them every day. Red Wattlebirds are by far the most frequent visitors> though. I just wish I liked camelias, though it's nice to see the> succession of birds in them depending on the time of year. The King> Parrots love the fruit.> > cheers,> Arwen> ......................................... Arwen Blackwood Ximenes > Lawson, Blue Mountains, NSWar...@hotmail.com > _________________________________________________________________> Never miss another e-mail with Hotmail on your mobile.> http://www.livelife.ninemsn.com.au/article.aspx?id=343869==========www.b> irding-aus.org> birding-aus.blogspot.com> > To unsubscribe from this mailing list, > send the message:> unsubscribe > (in the body of the message, with no Subject line)> to: birding-a...@vicnet.net.au> ===========> > ===============================> www.birding-aus.org> birding-aus.blogspot.com> > To unsubscribe from this mailing list, > send the message:> unsubscribe > (in the body of the message, with no Subject line)> to: birding-a...@vicnet.net.au> ===============================
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