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Are there so many birds that cats don’t matter?

10,000 Birds

which was a comparative look at apparent, visible, often in your face biomass we observe when we as diurnal primates look around us. In short, the answer is that in the United States there are 20 billion birds at the end of the breeding and fledging season, which gets winnowed down to 10 billion by the following early spring.

Cats 177
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Birding the Kruger Park (2): Bateleur area

10,000 Birds

The active colonies of wasps are efficient protection against primates and large avian predators. Ostrich farming – A review and feasibility study of opportunities in the EU. The helper birds play an important role in the survival of the chicks as well as assisting in excavating a suitable cavity for the breeding pair.

Ostriches 147