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Ostrich
Speed reference![Play](https://cdn-wordup.com/WebsiteImages/DictionaryPics/BlackPlay.svg)
Ostriches are known for their speed, often alluded to when comparing fast runners. ![Slide](https://word-images.cdn-wordup.com/tips/QVkKmfrZNswnY4gspkjGKL5APW0.webp)
Flightlessness![Play](https://cdn-wordup.com/WebsiteImages/DictionaryPics/BlackPlay.svg)
Despite being a bird, ostriches cannot fly, which can be surprising. ![Slide](https://word-images.cdn-wordup.com/tips/d5hmcuxtcGKexfX27tPpg3q8oc.webp)
Large size![Play](https://cdn-wordup.com/WebsiteImages/DictionaryPics/BlackPlay.svg)
Ostriches are the largest birds, used to describe something unusually big. ![Slide](https://word-images.cdn-wordup.com/tips/s10an4RfCjGYq1wYDhdOypmwu8.webp)