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BIRD BIOLOGY AND BEHAVIOUR (RV)

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Siobain
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Siobain » Thu Nov 17, 2011 7:10 pm

Thanks Imberbe. :D

Would anyone else like to add anything?
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Siobain » Wed Nov 23, 2011 10:47 pm

Physiologically it is possible for vultures to hunt, although the prey would have to be cumbersome and incapable of getting away easily. The toes and talons of most vultures are not specialised for hunting and making a kill.

However, these birds are still formidable and will kill if they have to. The 2 species expected to be less successful hunters are, the cape and white-backed vultures as they in particular, have short, stubby toes, ill suited to catching prey.

Thanks Imberbe. IT! :thumbs_up:
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Imberbe » Wed Nov 23, 2011 11:11 pm

:thumbs_up: Thanks, interesting! :thumbs_up:

The Palm nut vulture is an interesting bird. Not least of all is its connection with another, much more common and iconic raptor. Name this raptor and what connects the two species? Hint, this other raptor is not a vulture.
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Imberbe » Sun Nov 27, 2011 5:13 pm

Next hint: Something to do with behaviour.
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Richman » Mon Nov 28, 2011 10:55 am

African fish eagle ... Palm nut vulture also feeds on fish sometime ?
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Imberbe » Mon Nov 28, 2011 11:49 am

:clap: :thumbs_up:

Well done! You are IT!
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Richman » Tue Nov 29, 2011 10:36 am

Thank you Imberbe :D

Question: What bird has been observed hitching a ride on a Kori Bustard's back , using it as a moving perch to hunt Insects ? :hmz:
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby ndloti » Tue Nov 29, 2011 5:17 pm

Woodland Kingfisher ?
KNP is sacred. I am opposed to the modernisation of Kruger and from the depths of my soul long for the Kruger of yesteryear! 1000+km on foot in KNP incl 56 wild trails.200+ nights in the wildernessndloti-indigenous name for serval.

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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Rooies » Thu Dec 01, 2011 3:20 pm

Richman wrote:Thank you Imberbe :D

Question: What bird has been observed hitching a ride on a Kori Bustard's back , using it as a moving perch to hunt Insects ? :hmz:


Carmine Bee-eaters?
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Richman » Thu Dec 01, 2011 3:52 pm

:clap: :thumbs_up: Well done Rooies ... You are IT ...... :dance:
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Rooies » Thu Dec 01, 2011 4:34 pm

The mating game of the Red-billed Buffalo Weaver.

The mating system of this bird is extremely unusual and is only rivalled by one other species in the world. Describe this.

(Warning, the answer will contain words used by gynecologist and urologists)
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Joao

Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Joao » Fri Dec 02, 2011 12:45 am

The buffalo weaver is unique in that copulation can last as long as two minutes where as with other birds it usually take only seconds.

The male birds have a permanently erect phalloid organ which enlarges even further during the breeding season. This phalloid organ is thought to facilitate the mating process although it is not a penis.

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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Rooies » Fri Dec 02, 2011 3:30 pm

You are 50 % there Joao. :thumbs_up:
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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Rooies » Tue Dec 06, 2011 2:14 pm

No further answers, so here it is.

These birds build colonies of huge, compound nests in the top of windmills and on broad, tall trees. With so many birds in such close proximity, it is not surprising that the offspring of each individual female are often fathered by more than one male. Male buffalo weavers also possess a long, rigid non-retractable penis-like structure or 'phalloid organ', positioned just in front of the cloaca, which is unique amongst birds. It contains no duct or or openings, is not inserted into the female's cloaca during copulation, and so does not transfer sperm.

Indeed sperm is transferred the same way as other passerine birds.

(I guess a bit too scientific)

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Re: BIRD BIOLOGY AND BEHAVIOUR (RV)

Unread postby Imberbe » Tue Dec 06, 2011 2:50 pm

:clap: Rooies. Interesting information. :thumbs_up: It is as I have it as well. The organ is not for actual mating.

Joao ... for having is partially correct .. why don't you take it.
Imberbe = Combretum imberbe = Leadwood = Hardekool = The spirit of the Wildernis!

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