Use this A2-B1 ESL science reading passage to learn why penguins cannot fly. It includes key vocabulary, reading comprehension questions, and answers for English learners.Reading LevelA2-B1Word Count286 wordsReading PassagePenguins are birds, but they do not fly in the air. Instead, they are excellent swimmers. Their bodies are built for life in cold oceans.Most flying birds have wings that are ..
