March 2018

Birds as Indicator Species

Ecological indicators are useful tools for measuring changes over time, and provide valuable insights into how and why the environment is changing. We can measure the changing status of the environment, such as biodiversity – fewer species, more species, and/or different species; the reasons for these changes (habitat destruction or degradation, pollution, climate change, introduced …

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Acorn Woodpecker

The Acorn Woodpecker is a common woodpecker  found in the western parts of California and Oregon and parts of the southwestern U.S. and Mexico. All year where there are an abundance of oak trees, you will often see these woodpeckers displaying with their outstretched wings and calling with a distinctive nyaah, nyaah, nyaah. Its scientific …

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