Science

Why bandicoots and bilbies evolved such different snouts

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 06/11/2026, 14:10:24 UTC.

Briefings

New research from Murdoch University's Harry Butler Institute suggests that millions of years of adaptation to distinct environments across Australia and New Guinea explain the divergence in snout shapes between quendas and bilbies. The study indicates that environmental pressures drove evolutionary divergence, resulting in the short, sturdy snout of the quenda and the long snout of the bilby. This finding provides a biological explanation for the morphological differences observed in these marsupials, highlighting how local conditions shape physical traits over evolutionary time.

Key points

• Quendas possess short, sturdy snouts while bilbies have remarkably long snouts, a difference explained by millions of years of adaptation to different environments across Australia and New Guinea.
• The study attributes snout divergence to environmental pressures driving evolutionary divergence, resulting in distinct morphological traits for each species.

Context

Research from Murdoch University's Harry Butler Institute explains the morphological differences between quendas and bilbies through evolutionary adaptation to distinct environments across Australia and New Guinea.

Limitations

Evidence is limited to the study's findings on evolutionary adaptation; specific environmental details, exact dates of divergence, and population sizes are not provided.

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