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The acceptance of a new breeding male into a wild wolf pack

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The acceptance of an unfamiliar male wolf (Canis lupus) into a wolf pack after the recent death of the pack's alpha male was observed and filmed at close range in Yellowstone National Park, Wyoming, U.S.A. A 2½-year-old dispersing male from a neighboring pack was accepted as a new pack member over the course of a 6-h interaction. This observation involved stereotyped behaviors and canid body posturing in association with dominance/submission, play solicitation, and courtship. Although documented before via radiotelemetry, this interaction marks the first direct observation of a wild wolf pack accepting and incorporating a strange wolf as a breeder and pack leader.

L'acceptation d'un loup (Canis lupus) mâle non familier au sein d'une meute après la mort récente du mâle alpha de la meute a été observée et filmée de près dans le parc national de Yellowstone, au Wyoming, É.-U. Un mâle de 2½ ans qui avait quitté sa meute d'origine a été admis comme nouveau membre au cours d'une interaction qui a duré 6 h, interaction au cours de laquelle ont été observés des comportements stéréotypés et l'adoption de postures canines associées aux attitudes de dominance/soumission, de jeu-sollicitation et de cour. Bien que cette interaction ait déjà été enregistrée grâce à la radio-télémétrie, c'est la première fois que sont observées directement l'acceptation et l'intégration d'un loup étranger comme reproducteur et chef dans une meute de loups sauvages.[Traduit par la Rédaction]

Document Type: Research Article

Publication date: 2002-02-01

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  • Published since 1929, this monthly journal reports on primary research contributed by respected international scientists in the broad field of zoology, including behaviour, biochemistry and physiology, developmental biology, ecology, genetics, morphology and ultrastructure, parasitology and pathology, and systematics and evolution. It also invites experts to submit review articles on topics of current interest.
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