Bar-headed goose The bright orange-yellow feet and beak of this bird are as distinctive as the black bars on its head and neck. (more) Extreme Birds: 7 Wonders of the Avian World Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/animal/Extreme-Birds-7-Wonders-of-the-Avian-World Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article.

　　External Websites Ask the Chatbot a Question Written by Written by Manjishtha Bhattacharyya Manjishtha Bhattacharyya is an editor at Encyclopaedia Britannica. She holds a PhD in zoology from Vidyasagar University, West Bengal, and has more than seven years of experience in science communication... Manjishtha Bhattacharyya Fact-checked by Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... The Editors of Encyclopaedia Britannica Last Updated: Oct. 14, 2025 •Article History Table of Contents Table of Contents Ask the Chatbot Ever heard of a poisonous bird? Or a bird that mimics a snake? Birds are among the most diverse creatures on Earth, with species adapted to every continent and habitat. Some stand out for extraordinary traits that make them natural wonders in their own right. The following seven birds—each representing a different continent—illustrate the unique ways in which evolution has shaped the avian world. This medium-sized (75 cm [30 inches] in length and weighing 1.87–3...

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