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Definitions

amphibians

NOUN
cold-blooded vertebrate
Synonyms


Example Sentences

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Now, a fresh analysis of 250 million-year-old fossils from the Kimberly region of northern Western Australia reveals a surprisingly diverse group of marine amphibians with unexpected global connections across ancient oceans.

From Science Daily • Feb. 25, 2026

Those amphibians are endangered due to habitat loss.

From Salon • Feb. 9, 2026

The findings also suggest that the transition of reptiles and amphibians into marine environments began earlier than scientists once thought and may have started even before the end-Permian mass extinction.

From Science Daily • Dec. 30, 2025

The fossils come from a 249 million year old marine community that included extinct reptiles, amphibians, bony fish, and sharks.

From Science Daily • Dec. 30, 2025

From amphibians and reptiles to birds and mammals, no biological class is immune.

From "Camp Panda" by Catherine Thimmesh