It sounds like you’re looking for the answers to a specific reading passage titled — likely from an ESL or academic reading test (e.g., IELTS, TOEFL, or a Cambridge exam).
Conservation efforts include protecting stopover sites — wetlands and reedbeds where swallows rest and refuel. Without these, many would not complete their journey. If you post the actual questions from your reading passage, I’ll give you the with explanations. swallows in migration reading passage answers
Swallows migrate in response to falling insect numbers as cold weather approaches. They navigate using the sun, stars, and Earth’s magnetic field. Climate change now threatens their migration: warmer springs can cause insects to appear earlier, but swallows may still arrive on their old schedule, leading to a mismatch in food supply. It sounds like you’re looking for the answers