site.btaSixth Sparrow Counting Campaign to Be Held on April 30
![Sixth Sparrow Counting Campaign to Be Held on April 30](/upload/229272/Sparrows%28BSPB+Photo%29.png?l=1000)
![Sixth Sparrow Counting Campaign to Be Held on April 30](/upload/229272/Sparrows%28BSPB+Photo%29.png?l=1000&original=c36f0e1c85f6a5a8134bc60a17215c3a88edf9e7)
As birds and humans share an ecosystem, indications that something is wrong with sparrow populations could serve as a "red light" that humans are at risk, too.
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