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Animals — North Liberty
The animal record for this ground is a county record with a township center of gravity. Liberty Township holds no city-scale survey of its own; what it holds is Potato Creek — the creek the town's mills dammed in 1837, the marsh system along it, and, since the park's dedication in 1977, 3,840 acres of protected ground three miles east of town with the 327-acre Worster Lake at its center (The Story of North Liberty, banked). The baseline survey for the whole county is Chapman's 1880 natural history, the same baseline the South Bend and Mishawaka builds stand on. This section measures this ground against that baseline, prints county evidence as county evidence, and lets the park — the best-watched ground in the township — carry the modern record.
The baseline: Chapman's natural history, 1880
1880
The leg's spine is a dated survey: Chapman's History of St. Joseph County (1880) and its natural-history account. The South Bend build's animals leg stands on Chapman's natural history as its baseline survey, with later records measured against it, and the Mishawaka build shares the same baseline. This section adopts the same spine at the same strength: Chapman wrote for the county whole, Liberty Township included, within living memory of settlement — the township's first settlements were 1833, forty-seven years before he printed. What Chapman lists as common, scarce or gone in 1880 is therefore the nearest thing this ground has to a before-and-after line. No township-only animal list from Chapman or any other nineteenth-century carrier was found; the county baseline is used as a county baseline, and no line in it is silently narrowed to the town.
The bison question, tested on the record
Tested, county frame
The signature vanished animal was tested, and the evidence that survives sits on county ground, not town ground. The South Bend build tested the bison question on two named pieces of evidence: the Parkovash — buffalo on the river…
The departed predators: wolves, panthers and bears
County frame, 1880 baseline
The great predators belong to the baseline's world, not to the modern record. The South Bend build carried wolves, panthers and bears whole, with last-record evidence sized, against Chapman's 1880 account. That treatment is the…
Extirpation and return: deer, wild turkey, otter and beaver, each dated at the end the record reaches
1880 – November 2026
Four animals left this county's record and came back into it; the park is where their return is easiest to see. The arcs, as the South Bend build dates them at county strength: deer, a rarity in Chapman's telling, restored to a…
The lost birds and the marsh: prairie chicken, passenger pigeon, and what the ditches did
1880 – twentieth century
The marsh made the birds, and the drainage unmade them. Potato Creek is a tributary of the Kankakee River, and the DNR's park brochure states the frame plainly: its bordering marsh was once part of one of North America's largest…
The fish: Potato Creek, Worster Lake, and the sturgeon that is not claimed
As of November 2026
The town-frame fish record is a lake record, because the lake is the water the record watches. Worster Lake — 327 acres, man-made, named for Darcey (Darcy in some carriers) Worster, the conservation-club advocate who first…
The raptor returns: osprey first, eagle as the record gives it
Early 2000s – November 2026
Potato Creek's signature return is the osprey, and its own telling reverses the usual story. The DNR's park brochure, read first-hand, carries the park's creature feature in one sentence: Potato Creek is listed on the Indiana…
The counted birds: 220 species and the count that is not a Christmas count
As of November 2026
The ongoing census on this ground is a species list, not a circle count. The Audubon Indiana birding account, read first-hand, counts more than 220 bird species recorded at Potato Creek State Park, with twenty-three species of…
Arrivals, and the record now
As of November 2026
What stands where, in November 2026, is a watched park inside an unwatched township. On invasives, this section prints only what its carriers reach: the river system's arrivals in the South Bend build — zebra mussels in the St.…