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forum-perroquet.com Un forum pour les passionnés de perroquets 2007-12-08T09:23:58-04:00 https://www.forum-perroquet.com/feed.php?f=5&t=7626&mode 2007-12-08T09:23:58-04:00 2007-12-08T09:23:58-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74820#p74820 <![CDATA[La vision des perroquets]]>

Statistiques: Posté par Liane_1980 — Sam Déc 08, 2007 9:23 am


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2007-12-07T21:06:43-04:00 2007-12-07T21:06:43-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74807#p74807 <![CDATA[La vision des perroquets]]> Statistiques: Posté par Caroline — Ven Déc 07, 2007 9:06 pm


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2007-12-07T20:47:40-04:00 2007-12-07T20:47:40-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74805#p74805 <![CDATA[La vision des perroquets]]>

Statistiques: Posté par Liane_1980 — Ven Déc 07, 2007 8:47 pm


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2007-12-07T14:14:14-04:00 2007-12-07T14:14:14-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74758#p74758 <![CDATA[La vision des perroquets]]>
Les perroquets et même la majorité des oiseaux voient un spectre lumineux plus large que le notre, donc jusque dans les UV. Par contre, pour voir le rayonnement UV, il faut que cette longueur d'onde soit présente, ce qui n'est pas le cas dans une pièce éclairée par des ampoules régulière.

Bien qu'ils aient un oeil de chaque côté de la tête, une section du champs de vision de chaque oeil chevauche l'autre à l'avant de la tête ce qui fais qu'ils ont une petite section de vision binoculaire.

Aussi les oiseaux ont pour la plupart plus de cônes et moins de bâtonnets que les mammifères, ce qui fait que la vision de jour est excellente, mais la vision de nuit moins bonne. On note aussi une plus grande quantitée de récepteurs sur la rétine qui augmente la définition de l'image.

Tu vas trouver ces info dans plusieurs livre de référence en ornithologie, tel que le livre Cornell Lab of Ornithology.

Dis moi donc sur quel point ton vet t'astine précisément?

A+
Fred

Statistiques: Posté par Fred — Ven Déc 07, 2007 2:14 pm


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2007-12-05T22:47:07-04:00 2007-12-05T22:47:07-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74560#p74560 <![CDATA[La vision des perroquets]]> Statistiques: Posté par hunter — Mer Déc 05, 2007 10:47 pm


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2007-12-05T21:24:43-04:00 2007-12-05T21:24:43-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74555#p74555 <![CDATA[La vision des perroquets]]> Statistiques: Posté par Pinco — Mer Déc 05, 2007 9:24 pm


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2007-12-05T21:15:53-04:00 2007-12-05T21:15:53-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74554#p74554 <![CDATA[La vision des perroquets]]> Statistiques: Posté par Caroline — Mer Déc 05, 2007 9:15 pm


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2007-12-05T21:13:34-04:00 2007-12-05T21:13:34-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74553#p74553 <![CDATA[La vision des perroquets]]> Statistiques: Posté par Pinco — Mer Déc 05, 2007 9:13 pm


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2007-12-05T20:54:04-04:00 2007-12-05T20:54:04-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74550#p74550 <![CDATA[La vision des perroquets]]>
Tu vas me sortir quoi maintenant????? :fou:

Statistiques: Posté par Caroline — Mer Déc 05, 2007 8:54 pm


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2007-12-05T20:51:07-04:00 2007-12-05T20:51:07-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74549#p74549 <![CDATA[La vision des perroquets]]> :birkoss: :langue:

Statistiques: Posté par Caroline — Mer Déc 05, 2007 8:51 pm


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2007-12-05T20:44:00-04:00 2007-12-05T20:44:00-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74547#p74547 <![CDATA[La vision des perroquets]]> Dr. Peppenberg???

Statistiques: Posté par Réna — Mer Déc 05, 2007 8:44 pm


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2007-12-05T20:32:04-04:00 2007-12-05T20:32:04-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74545#p74545 <![CDATA[La vision des perroquets]]> Statistiques: Posté par Pinco — Mer Déc 05, 2007 8:32 pm


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2007-12-05T19:57:49-04:00 2007-12-05T19:57:49-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74541#p74541 <![CDATA[La vision des perroquets]]> Statistiques: Posté par catwoman360 — Mer Déc 05, 2007 7:57 pm


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2007-12-05T19:01:16-04:00 2007-12-05T19:01:16-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74531#p74531 <![CDATA[La vision des perroquets]]> Statistiques: Posté par Caroline — Mer Déc 05, 2007 7:01 pm


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2007-12-05T18:56:14-04:00 2007-12-05T18:56:14-04:00 https://www.forum-perroquet.com/viewtopic.php?t=7626&p=74529#p74529 <![CDATA[La vision des perroquets]]> Statistiques: Posté par Invité — Mer Déc 05, 2007 6:56 pm


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