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The Natural World

Any topic related to science can be discussed here.
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Dave B
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Re: The Natural World

#561 Postby Dave B » October 19th, 2014, 6:44 pm

Latest post of the previous page:

Blimey, need a lot of millet to keep that lot satisfied!
"Look forward; yesterday was a lesson, if you did not learn from it you wasted it."
Me, 2015

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Alan H
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Re: The Natural World

#562 Postby Alan H » October 19th, 2014, 7:07 pm

Dave B wrote:Blimey, need a lot of millet to keep that lot satisfied!
Think of the sandpaper...
Alan Henness

There are three fundamental questions for anyone advocating Brexit:

1. What, precisely, are the significant and tangible benefits of leaving the EU?
2. What damage to the UK and its citizens is an acceptable price to pay for those benefits?
3. Which ruling of the ECJ is most persuasive of the need to leave its jurisdiction?

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Dave B
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Re: The Natural World

#563 Postby Dave B » October 19th, 2014, 7:15 pm

Alan H wrote:
Dave B wrote:Blimey, need a lot of millet to keep that lot satisfied!
Think of the sandpaper...
and the barrow for the, er, outcome, every morning.
"Look forward; yesterday was a lesson, if you did not learn from it you wasted it."
Me, 2015

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Alan H
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Re: The Natural World

#564 Postby Alan H » December 16th, 2014, 12:39 am

Alan Henness

There are three fundamental questions for anyone advocating Brexit:

1. What, precisely, are the significant and tangible benefits of leaving the EU?
2. What damage to the UK and its citizens is an acceptable price to pay for those benefits?
3. Which ruling of the ECJ is most persuasive of the need to leave its jurisdiction?

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Alan H
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Joined: July 3rd, 2007, 10:26 pm

Re: The Natural World

#565 Postby Alan H » December 17th, 2014, 4:23 pm

This amazing animation shows how babies get made

12-16-14.gif
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Alan Henness

There are three fundamental questions for anyone advocating Brexit:

1. What, precisely, are the significant and tangible benefits of leaving the EU?
2. What damage to the UK and its citizens is an acceptable price to pay for those benefits?
3. Which ruling of the ECJ is most persuasive of the need to leave its jurisdiction?

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Dave B
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Joined: May 17th, 2010, 9:15 pm

Re: The Natural World

#566 Postby Dave B » December 17th, 2014, 4:50 pm

Clever!
"Look forward; yesterday was a lesson, if you did not learn from it you wasted it."
Me, 2015

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Alan H
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Re: The Natural World

#567 Postby Alan H » December 19th, 2014, 10:43 am

Alan Henness

There are three fundamental questions for anyone advocating Brexit:

1. What, precisely, are the significant and tangible benefits of leaving the EU?
2. What damage to the UK and its citizens is an acceptable price to pay for those benefits?
3. Which ruling of the ECJ is most persuasive of the need to leave its jurisdiction?

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Alan H
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Joined: July 3rd, 2007, 10:26 pm

Re: The Natural World

#568 Postby Alan H » December 20th, 2014, 2:33 pm

Alan Henness

There are three fundamental questions for anyone advocating Brexit:

1. What, precisely, are the significant and tangible benefits of leaving the EU?
2. What damage to the UK and its citizens is an acceptable price to pay for those benefits?
3. Which ruling of the ECJ is most persuasive of the need to leave its jurisdiction?

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Dave B
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Joined: May 17th, 2010, 9:15 pm

Re: The Natural World

#569 Postby Dave B » December 20th, 2014, 6:39 pm

I got myself "bonded" to a sulphur crested cockatoo when I worked at a local animal centre. They also had an African grey, supposed to be the most intelligent of parrots, but Arthur was the better socialiser and great fun. I hgot a perfectly preened beard and tache every time I met him.

Six months after they moved to Somerset I went down there. Arthur saw me coming about a hundred yards away, jumped of his perch and ran to me. They have good facial memories as well!

But that dancing was something else!
"Look forward; yesterday was a lesson, if you did not learn from it you wasted it."
Me, 2015

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Alan H
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Re: The Natural World

#570 Postby Alan H » February 1st, 2015, 8:59 pm

Alan Henness

There are three fundamental questions for anyone advocating Brexit:

1. What, precisely, are the significant and tangible benefits of leaving the EU?
2. What damage to the UK and its citizens is an acceptable price to pay for those benefits?
3. Which ruling of the ECJ is most persuasive of the need to leave its jurisdiction?

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Fia
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Re: The Natural World

#571 Postby Fia » February 1st, 2015, 9:28 pm

That's nae breast stroke! Being clearly similar but more laid back than the butterfly it's possibly owl stroke ... I'll try it next time I'm in a pool :D

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Re: The Natural World

#572 Postby Compassionist » February 2nd, 2015, 12:29 pm

Alan H wrote:

This is awesome! I had no idea that birds could dance. Thank you for sharing.

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Re: The Natural World

#573 Postby Compassionist » February 2nd, 2015, 12:30 pm

Alan H wrote:

Wow! I didn't know owls could swim! Why isn't it flying away instead of swimming?

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Dave B
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Re: The Natural World

#574 Postby Dave B » February 2nd, 2015, 1:42 pm

Once in the water the under feathers would be waterlogged, probably weigh a lot more and wet feathers don't work well. Non aquatic birds have surface oils but only for rain.

The swimming may be modified flying, slow because of the water. It was probably trying to fly, desperately! Unless it got to shore or something it would be very quickly exhausted.

I should add the the surface tension of water is actually quite strong, it can hold a small floatplane down making it nedd to "wiggle" to break the grip.

All birds enjoy a daily bath but thats a bit too much. Caring farmers put plastic milk crates, upside down, in cattle troughs, these float just under the surface, cows push them down but they will support a large bird to take a drink. Unless it is experienced a bird may have trouble telling a puddle and a pond appart.
"Look forward; yesterday was a lesson, if you did not learn from it you wasted it."
Me, 2015

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Posts: 3285
Joined: July 14th, 2007, 8:38 am

Re: The Natural World

#575 Postby Compassionist » February 2nd, 2015, 3:24 pm

Dave B wrote:Once in the water the under feathers would be waterlogged, probably weigh a lot more and wet feathers don't work well. Non aquatic birds have surface oils but only for rain.

The swimming may be modified flying, slow because of the water. It was probably trying to fly, desperately! Unless it got to shore or something it would be very quickly exhausted.

I should add the the surface tension of water is actually quite strong, it can hold a small floatplane down making it nedd to "wiggle" to break the grip.

All birds enjoy a daily bath but thats a bit too much. Caring farmers put plastic milk crates, upside down, in cattle troughs, these float just under the surface, cows push them down but they will support a large bird to take a drink. Unless it is experienced a bird may have trouble telling a puddle and a pond appart.

That's interesting Dave. Hope someone rescued the bird.

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Re: The Natural World

#576 Postby Maria Mac » March 3rd, 2015, 11:13 am

Just had to post this one - a red-capped woodpecker, the like of which I once spotted in my suburban garden so I know it's not that big, was apparently pounced on by a baby weasel. The woodpecker understandably took flight with the weasel clinging to his back!

Story here: http://time.com/3729535/woodpecker-weasel-photograph/
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Dave B
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Re: The Natural World

#577 Postby Dave B » March 3rd, 2015, 1:36 pm

That has to be the epitome of the "lucky shot"!
"Look forward; yesterday was a lesson, if you did not learn from it you wasted it."
Me, 2015

Maria Mac
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Re: The Natural World

#578 Postby Maria Mac » March 3rd, 2015, 2:09 pm


Maria Mac
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Re: The Natural World

#579 Postby Maria Mac » March 6th, 2015, 6:03 pm

No prizes but does anyone know what this creature from Brazil is?
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Maria Mac
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Re: The Natural World

#580 Postby Maria Mac » March 6th, 2015, 6:17 pm

Alan reckons it's a coypu. I'm inclined to agree unless anyone's got any better ideas.

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Alan H
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Re: The Natural World

#581 Postby Alan H » March 6th, 2015, 6:26 pm

Coypu.
Alan Henness

There are three fundamental questions for anyone advocating Brexit:

1. What, precisely, are the significant and tangible benefits of leaving the EU?
2. What damage to the UK and its citizens is an acceptable price to pay for those benefits?
3. Which ruling of the ECJ is most persuasive of the need to leave its jurisdiction?


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