11. It has an altitudinal distribution of 0 600 m above sea level. 12. The altitudinal gradient accounts for most of their variation in plant communities. 13. In Tasmania, such distinctive altitudinal bands do not occur. 14. Where their altitudinal distributions overlap, they are still identifiable as distinct species. 15. There, its altitudinal distribution appears to be restricted to 450 600 m. 16. The wattled ibis is predominantly sedentary, undertaking only local, altitudinal movements. 17. They inhabit a wide altitudinal , climatic and vegetational spectrum of subterrestrial habitats. 18. Altitudinal zones tend to follow a typical pattern.19. Dusky grouse " Dendragapus obscurus " perform altitudinal migration mostly by walking. 20. The species has an altitudinal distribution of 300 to 1100 m above sea level.
