| 21. | Pikas have no external tail, and their ears are large and rounded.
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| 22. | Specific to the Chinese red pika has distinctive red color in its pelt.
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| 23. | A growing pika population may have a local impact on vegetation through feeding.
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| 24. | The PIKA curriculum includes both general and vocational subjects.
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| 25. | Pika Patel, a 24-year-old Chicagoan, was less forgiving.
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| 26. | Reparative regeneration has also been observed in rabbits, pikas and African spiny mice.
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| 27. | The Sardinian pika became extinct in Sardinia and Corsica probably during the Roman times.
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| 28. | Also found is a member of the rabbit and hare family, the pika.
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| 29. | It hunts for larger prey than the European polecat, including pikas and marmots.
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| 30. | An adult northern pika has a body length of, and a tail of.
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