If Animals Could Talk, Dr. Werner Gitt

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If Animals Could Talk-Dr. Werner Gitt -Did you know that while in flight, the sparrow’s heart can beat up to 760 times per minute? Or that a baby blue whale grows at a rate of 3.3 kg an hour while it’s nursing, a grand total of 17 tons by the end of the nursing stage? How about that glow worms have a light output efficiency of 100%, as compared to only 4% for our incandescent bulbs? Interest level: Junior High-Adult, 1460-7 $9.99 Paperback 115 Pages