Identify 3 keywords and try asking related questions to explain why many migratory birds have been found to migrate further North in recent years. When guiding questions are displayed, click onto the tab again to see extra guides (where available).
Thermo-map: https://commons.wikimedia.org/wiki/File:Annual_Average_Temperature_Map.jpg (Free download, attribution required) Average temperature anomaly graph: https://ourworldindata.org/grapher/temperature-anomaly (Free download, attribution required)
