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Armadillos Invade Ohio: First Documented Case
15 Sep
Summary
- First armadillo formally documented in Ohio near Indiana border.
- Armadillos migrating north have been observed for over a century.
- Mexican long-nosed armadillos are ancient mammals, akin to living fossils.

Armadillos, typically associated with warm climates like the American Southwest, have been documented in Ohio for the first time. A male armadillo was found near the Indiana border on September 6, representing the species' continued northward migration.
This marks a significant expansion, as armadillos, primarily the Mexican long-nosed species, have been observed moving north since the late 19th century. Their journey typically sees them appearing in new U.S. states roughly every dozen years.
Researchers, like biology professor Tereza Jezkova, are studying how these mammals, often called 'living fossils' due to their ancient lineage related to sloths and anteaters, are adapting to colder climates. While some armadillos previously found in northern states were suspected of hitching rides, this recent discovery suggests natural migration across borders.
Although armadillos can carry leprosy, northern travelers have not shown evidence of the disease. Scientists are keen to understand the full extent of their northern range and the factors enabling their adaptation to potentially harsh winters.