Labels:bulletin board | dog | door | hakham | mountain | plant | poster | sky | tree OCR: MIGR ATORY PATHS The paths that migratory birds take often follow geographic features such aS mountain ranges and river valleys. These paths may vary greatly from year to year and also by species. Although we often speak of routes and flyways, there is probably not a single square mile of the Earth's surface, excluding the polar ice caps over which birds do not fly Four migration paths.
