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How much bird is there, anyway?

10,000 Birds

Here’s some data from the famous research project of Manu, Peru, giving biomass in kilograms per hectare. In your back yard, if you have a feeder and exclude insects, birds may represent 100% of the animal biomass until either you our your cat walks outside. The data here are from the site of Manaus: All animals: 200 Mammals: 8.4

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The Emotional Lives of Animals

4 The Love Of Animals

Scientific research shows that many animals are very intelligent and have sensory and motor abilities that dwarf ours. More research is needed, but initial studies by the Pine Street Foundation and others on using dogs for diagnosis are promising. Grief, friendship, gratitude, wonder, and other things we animals experience.

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