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Or scavenger? 77.83.168.173 ( talk) —Preceding undated comment was added at 23:00, 1 August 2008 (UTC)
Does anyone know how to pronounce this? I think it's "Choo", but the two related articles list it as "chuff". Can someone verify, and then stick the pronunciation guide on the article? NickRinger ( talk) 09:28, 29 May 2008 (UTC)
"soaring in the updraughts at cliff faces": Is there anything to add about the wing-load that enables soaring flight and how soaring is affected by high altitude? Is there any significance of "diving and rolling" and "acrobatic displays", which both sound like could use up a lot of energy? Snowman ( talk) 22:30, 17 July 2009 (UTC)
<outdent> Good find, I'll add that. The image is out of copyright, so we could use it. There are plenty of chough pics on commons, though, so it's a matter of whether we should replace an existing article image. What do you think?
"Where the two species occur together, Alpine Chough tends to breed at a higher elevation than its relative, ..."; I am not sure what this means - it says they occur together, but then they are not together being at different altitudes. Does it mean that they occur together except when one species migrates up the mountain to breed. Snowman ( talk) 08:08, 20 July 2009 (UTC)
Per discussion on feeding listed above, didn't know if you'd found this yet... MeegsC | Talk 21:13, 20 July 2009 (UTC)
<outdent> and me today! I'll kill the url for this, which isn't mandatory anyway Jimfbleak - talk to me? 06:34, 23 July 2009 (UTC)
There are several papers about oxygen transport in eggs of birds nesting at high altitude, and I think that it would be worth mentioning, especially for the record-breaking high-altitude nests of the Alpine Chough. I searched haemoglobin and chough, and found several papers and viewed the abstract. It seems that the heamoglobin of a chough chick (and related membranes) in the egg has high oxygen affinity and so the chick is able to respire even at such high altitude where the partial pressure of oxygen can be about a half of that at sea level. I wonder if any work has been done on haemoblobin affinity in adult choughs. Snowman ( talk) 14:24, 22 July 2009 (UTC)
Web search:
Snowman ( talk) 21:25, 22 July 2009 (UTC)
Article says that the Chough range is "eastwards through southern Europe" and the distribution map seems to show choughs on Cyprus. However, I could not find it in Breeding birds of Cyprus with check list of the birds of Cyprus (1998) by Louis Kourtellarides, Kailas printers, ISBN 9963420680. Other Corvids were mentioned in the list on pages 294-295, but neither chough species. Snowman ( talk) 17:54, 24 July 2009 (UTC)
"Corcorax melanorhamphos, despite its similar shape and habits, is only distantly related to the true choughs". Following the categories on the wiki the White-winged Choughs and Choughs are all in the same group, see Category:Corvida. This seems to imply that they are not so distantly related. Snowman ( talk) 22:14, 31 July 2009 (UTC)
Please note that the Jackdaws ( Corvus subgen. Coloeus) are not even near the Choughs within Corvidae. In fact the Southeast Asian Treepies ( Dendrocitta, Crypsirina, Temnurus and Platysmurus) are the sister clade to Pyrrhocorax while Coloeus groups with the other Corvus species as well as Nucifraga and Garrulus. Goodwin's (very sceptic) presumption ist merely based on calls (which are strikingly similar within all of Corvidae) and the black plumage which is a result of convergence. For further information, see Per G. P. Ericson, Anna-Lee Jansen, Ulf S. Johansson, Jan Ekman: Inter-generic Relationships of the Crows, Jays, Magpies and Allied Groups (Aves: Corvidae) Based on Nucleotide Sequence Data. In: Journal of Avian Biology 36, 2005, pp. 222–234. Alternatively, the family account in the Handbook of the Birds of the World gives a good overview.-- Toter Alter Mann ( talk) 15:16, 19 October 2011 (UTC)
GA review – see WP:WIAGA for criteria
1. Is it reasonably well written?
2. Is it factually accurate and verifiable?
3. Is it broad in its coverage? Yes.
4. Is it neutral? Yes.
5. Is it stable? Yes.
6. Does it contain images to illustrate the topic? All fine.
7. Overall:
Pass. Fine work. Ben Mac Dui 08:59, 2 August 2009 (UTC)
"Their closest relatives outside the genus appear to be the jackdaws of the genus Corvus." If choughs are a genus in their own right, they are by definition equaldistant to all species in the genus Corvus, not any closer related to jackdaws. Where does that statement come from? Does anybody know the correct relations? -- KnightMove ( talk) 05:38, 16 October 2012 (UTC)
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Thé distribution map does not include Cornwall where the emblematic chough has reestablished for a number of years. It seems to be successful and is increasing its range from the west eastward. 2A00:23C8:64A6:A101:5C07:C225:43C7:9DDC ( talk) 12:01, 23 June 2022 (UTC)
Definitely loads of them in Cornwall. Breeding areas are protected. 217.155.25.156 ( talk) 10:22, 4 July 2022 (UTC)
A red billed Night Chough is an important character in Gene Wolfe’s Long Sun series, named “Oreb” (an obvious Corvid reference) the bird is intelligent but speaks rarely and exclusively in two word responses, pronouncements or queries. Never more.
The bird’s identity, nature and purpose play a vital part in the narrative and the bird is a constant source of wisdom, guidance and humor. 75.172.73.121 ( talk) 04:18, 28 June 2023 (UTC)
![]() | Chough has been listed as one of the Natural sciences good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it. | ||||||||||||
![]() | Chough is the main article in the Chough series, a featured topic. This is identified as among the best series of articles produced by the Wikipedia community. If you can update or improve it, please do so. | ||||||||||||
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Current status: Good article |
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Or scavenger? 77.83.168.173 ( talk) —Preceding undated comment was added at 23:00, 1 August 2008 (UTC)
Does anyone know how to pronounce this? I think it's "Choo", but the two related articles list it as "chuff". Can someone verify, and then stick the pronunciation guide on the article? NickRinger ( talk) 09:28, 29 May 2008 (UTC)
"soaring in the updraughts at cliff faces": Is there anything to add about the wing-load that enables soaring flight and how soaring is affected by high altitude? Is there any significance of "diving and rolling" and "acrobatic displays", which both sound like could use up a lot of energy? Snowman ( talk) 22:30, 17 July 2009 (UTC)
<outdent> Good find, I'll add that. The image is out of copyright, so we could use it. There are plenty of chough pics on commons, though, so it's a matter of whether we should replace an existing article image. What do you think?
"Where the two species occur together, Alpine Chough tends to breed at a higher elevation than its relative, ..."; I am not sure what this means - it says they occur together, but then they are not together being at different altitudes. Does it mean that they occur together except when one species migrates up the mountain to breed. Snowman ( talk) 08:08, 20 July 2009 (UTC)
Per discussion on feeding listed above, didn't know if you'd found this yet... MeegsC | Talk 21:13, 20 July 2009 (UTC)
<outdent> and me today! I'll kill the url for this, which isn't mandatory anyway Jimfbleak - talk to me? 06:34, 23 July 2009 (UTC)
There are several papers about oxygen transport in eggs of birds nesting at high altitude, and I think that it would be worth mentioning, especially for the record-breaking high-altitude nests of the Alpine Chough. I searched haemoglobin and chough, and found several papers and viewed the abstract. It seems that the heamoglobin of a chough chick (and related membranes) in the egg has high oxygen affinity and so the chick is able to respire even at such high altitude where the partial pressure of oxygen can be about a half of that at sea level. I wonder if any work has been done on haemoblobin affinity in adult choughs. Snowman ( talk) 14:24, 22 July 2009 (UTC)
Web search:
Snowman ( talk) 21:25, 22 July 2009 (UTC)
Article says that the Chough range is "eastwards through southern Europe" and the distribution map seems to show choughs on Cyprus. However, I could not find it in Breeding birds of Cyprus with check list of the birds of Cyprus (1998) by Louis Kourtellarides, Kailas printers, ISBN 9963420680. Other Corvids were mentioned in the list on pages 294-295, but neither chough species. Snowman ( talk) 17:54, 24 July 2009 (UTC)
"Corcorax melanorhamphos, despite its similar shape and habits, is only distantly related to the true choughs". Following the categories on the wiki the White-winged Choughs and Choughs are all in the same group, see Category:Corvida. This seems to imply that they are not so distantly related. Snowman ( talk) 22:14, 31 July 2009 (UTC)
Please note that the Jackdaws ( Corvus subgen. Coloeus) are not even near the Choughs within Corvidae. In fact the Southeast Asian Treepies ( Dendrocitta, Crypsirina, Temnurus and Platysmurus) are the sister clade to Pyrrhocorax while Coloeus groups with the other Corvus species as well as Nucifraga and Garrulus. Goodwin's (very sceptic) presumption ist merely based on calls (which are strikingly similar within all of Corvidae) and the black plumage which is a result of convergence. For further information, see Per G. P. Ericson, Anna-Lee Jansen, Ulf S. Johansson, Jan Ekman: Inter-generic Relationships of the Crows, Jays, Magpies and Allied Groups (Aves: Corvidae) Based on Nucleotide Sequence Data. In: Journal of Avian Biology 36, 2005, pp. 222–234. Alternatively, the family account in the Handbook of the Birds of the World gives a good overview.-- Toter Alter Mann ( talk) 15:16, 19 October 2011 (UTC)
GA review – see WP:WIAGA for criteria
1. Is it reasonably well written?
2. Is it factually accurate and verifiable?
3. Is it broad in its coverage? Yes.
4. Is it neutral? Yes.
5. Is it stable? Yes.
6. Does it contain images to illustrate the topic? All fine.
7. Overall:
Pass. Fine work. Ben Mac Dui 08:59, 2 August 2009 (UTC)
"Their closest relatives outside the genus appear to be the jackdaws of the genus Corvus." If choughs are a genus in their own right, they are by definition equaldistant to all species in the genus Corvus, not any closer related to jackdaws. Where does that statement come from? Does anybody know the correct relations? -- KnightMove ( talk) 05:38, 16 October 2012 (UTC)
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Cheers.— InternetArchiveBot ( Report bug) 18:27, 4 June 2017 (UTC)
Thé distribution map does not include Cornwall where the emblematic chough has reestablished for a number of years. It seems to be successful and is increasing its range from the west eastward. 2A00:23C8:64A6:A101:5C07:C225:43C7:9DDC ( talk) 12:01, 23 June 2022 (UTC)
Definitely loads of them in Cornwall. Breeding areas are protected. 217.155.25.156 ( talk) 10:22, 4 July 2022 (UTC)
A red billed Night Chough is an important character in Gene Wolfe’s Long Sun series, named “Oreb” (an obvious Corvid reference) the bird is intelligent but speaks rarely and exclusively in two word responses, pronouncements or queries. Never more.
The bird’s identity, nature and purpose play a vital part in the narrative and the bird is a constant source of wisdom, guidance and humor. 75.172.73.121 ( talk) 04:18, 28 June 2023 (UTC)