Article: Juvenile Lesser Prairie-chicken growth and development in southeastern New Mexico.

Most populations of prairie grouse in North America have declined alarmingly (Silvy and Hagen 2004). In particular, the population size of Lesser Prairie-chickens (Tympanuchus pallidicinctus) has decreased by an estimated 97% since the 1800s; there has also been a 92% reduction in the species' historic range and a 78% reduction in occupied range since 1963 (Crawford 1980, Taylor and Guthery 1980). The status of the Lesser Prairie-chicken as "warranted but precluded" for listing as threatened or endangered under the Endangered Species Act (U.S. Department of Interior 2004) warrants a clear concern over this species, and as habitat becomes more fragmented it will be ...

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