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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Thu Apr 04, 2013 1:38 am 
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Rooies wrote:
Can we have some movement here? :whistle:


Okay, Rooies, put your left foot in, put your right foot in, spin it around, and shake it all about. Now you're doing the hokey-pokey; great movement there. :twisted:

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Thu Apr 04, 2013 1:43 am 
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Rooies wrote:
A quick fire from the hip. Answer 1: It is to prevent them from rolling away.
Answer 2: It is to accommodate the shape of the embryo.
Answer 3 The oval structure is stronger.

(I hope one is correct :doh:)


Actually two are correct, Rooies - 1) and 3). In certain species, especially those that nest on shallow ground or cliff faces, the oval shape indeed prevents eggs rolling away. And the oval structure can be stronger in certain situations. Which deserves two claps ... :clap: :clap:

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Thu Apr 04, 2013 1:46 am 
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huntsman wrote:
Shape of the birth canal perhaps?


:clap: Indeed, Huntsman (and Rosemary), the oval shape to the eggs eases efficiency of birthing the eggs down the canal. Round eggs would be far more painful and may even get stuck.

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Thu Apr 04, 2013 1:46 am 
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I am handing the IT over to the first of either Rooies or Huntsman to post the next Q ... :thumbs_up:

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Fri May 03, 2013 8:04 am 
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The Forktailed Drongo sometimes manages to steal food from the Meerkats in KTP. What clever scheme has he got?

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Fri May 03, 2013 2:13 pm 
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Hi there. The Forktailed-Drongo mimics the alarm call of the meerkats which make them run for their burrows. Leaving the bird to eat the snacks they left behind.

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Tue May 07, 2013 9:30 am 
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Ifubesi wrote:
Hi there. The Forktailed-Drongo mimics the alarm call of the meerkats which make them run for their burrows. Leaving the bird to eat the snacks they left behind.


Well done :clap:

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Wed May 15, 2013 3:16 am 
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Ifubesi :clap: :clap:

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Wed Jun 12, 2013 1:58 pm 
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Where is Rooies ?

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Wed Jun 12, 2013 2:06 pm 
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Rooies is alive and well. So, what is going on lately? I changed firms and are now with a Kruger fanatic. He is not a forum member but regularly posts photos in the Gallery. My new colleague is going on a three week trip to Kruger at the end of July. I will try and convince him to join and bring us a travel report.

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Thu Jun 13, 2013 2:57 am 
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Sounds like you got a suitable body part in the butter with this alliance, Rooies. :dance: :dance: Good move. :clap:

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Mon Jun 24, 2013 9:40 pm 
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Ditto OWN :D

:) Ifubesi :whistle:

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Tue Jun 25, 2013 8:24 am 
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Sorry for keeping everyone waiting. I was not aware I have to provide the next question when I answer correctly :roll: . Still need to figure out how some if these topics work, sorry.

Here goes: Which birds swallow their own feathers in order to protect their throats from damage when regurgitating small bone fragments of prey items?

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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Mon Jul 01, 2013 7:56 pm 
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Interesting question!

Grebes?


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 Post subject: Re: BIRD BIOLOGY AND BEHAVIOUR (RV)
Unread postPosted: Wed Jul 03, 2013 11:02 am 
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Agree with MarkusF: "It is a bird which lives in water and is called the Great Crested Grebe. It eats its own feathers and feeds them to her young ones too.The Grebe has a unique excretory system. It throws out one or two balls of excreta through its mouth on every alternate day. The staple diet of Grebes is fish. So, the ball of waste has indigestible fish bones and scales apart from gastric parasites".

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