Most southerly bird

According to Official Guinness Records,

Few Antarctic birds nest inland (i.e. upon this continent’s ice-sealed interior) to any great extent. However, the snow petrel (Pagodroma nivea) is known to nest up to 240 km (150 miles) inland, among rocky peaks poking up through the ice.

For a complete list of Unknown date records, please visit Unknown date Guinness Records in Antarctica.

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Other Antarctica records that might interest you:

• Least explored continent
• Most southerly marathon
• Largest desert (cold)
• Most sparsely populated continent
• Highest Seasonal Population Difference