Nature

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Across
  1. 5. Large, territorial land mammal; river horse (literal Greek translation)
  2. 9. North American desert ecompassing Death Valley
  3. 10. Name of the scale to measure earthquakes
Down
  1. 1. Opposite to extinct
  2. 2. A meowing aquatic creature
  3. 3. Smallest mammal in the world, a species of bat; also name of a stinging insect
  4. 4. The female part of a flower that collects pollen grains
  5. 6. Farm animal, breeds include Tamworth and Saddleback
  6. 7. Britain's only wild venomous snake
  7. 8. Only word of the NATO phonetic alphabet which sounds like an animal