| 1. | Altitudinal migration has also been witnessed in some tropical bat species.
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| 2. | Dusky grouse " Dendragapus obscurus " perform altitudinal migration mostly by walking.
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| 3. | It is apparently a resident bird; there is no indication even for altitudinal migrations.
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| 4. | Over 30 % of birds and other species in montane forests show altitudinal migration patterns.
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| 5. | Shorter migrations are common, including altitudinal migrations on mountains such as the Andes and Himalayas.
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| 6. | Altitudinal migration is common on mountains worldwide, such as in the Himalayas and the Andes.
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| 7. | Their migratory patterns are sex-biased altitudinal migrations, with females inhabiting lower elevations during reproductive periods.
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| 8. | They do not normally migrate other than for local movements, such as altitudinal migrations in the Himalayan species.
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| 9. | Endemism, altitudinal migration, and relict populations are some of the natural phenomena to be found on sky islands.
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| 10. | The species undertakes some altitudinal migration, moving closer to sea level during the winter over some of its range.
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