Why black-bellied whistling ducks are expanding across the U.S.
- Posted on October 11, 2026
- By Houston Chronicle
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- 1 min read
In brief
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Why black-bellied whistling ducks are expanding across the U.S.
Mere decades ago, black-bellied whistling ducks were largely confined in the U.S. to the Rio Grande Valley of South Texas. Now, they're darn-near everywhere.
