Michigan Birding Report
Data Sources and Trust

Methodology

Michigan Birding Report is a practical field tool. It combines public birding data, migration context, weather, and county pages so Michigan birders can make better decisions before heading outside.

Primary Sources

The site is built from public and community data sources. It does not replace field judgment, official conservation guidance, or local access rules.

eBirdRecent observations, notable sightings, county activity, species names, and hotspot references.
BirdCastMigration context and nocturnal movement signals used on migration-focused pages.
National Weather ServiceWeather forecasts used to add wind, temperature, precipitation, and birding-condition context.
iNaturalist and Xeno-cantoPublic media references used for species pages where available.

Update Cadence

The live map and notable sightings feed are served through cached API routes. Most public pages are designed to refresh quickly while still using caching so the site stays fast and stable.

Daily birding reports are published on the companion site, Michigan Birding Daily. The daily system looks for a notable or recent statewide sighting first. If no useful statewide signal is available, it falls back to county rotation so the archive continues growing across Michigan.

How County Pages Work

Each county page uses a Michigan county eBird region code, recent observations, and sighting locations to create a local birding snapshot. Pages are meant to answer practical questions: what has been reported, where activity is concentrated, and what species are worth looking into next.

Limitations

Sightings can be delayed, private locations may be hidden, observer effort varies by county, and rare reports may change after review. Treat the site as a starting point, then verify sensitive sightings and follow ethical birding practices.

Michigan Birding Report avoids publishing private access guidance and does not encourage disturbance of sensitive birds, nesting areas, private land, or restricted habitat.

Operator

The site is founded and operated by Chris Izworski from Bay City, Michigan. It is part of a broader set of Michigan data projects focused on making public outdoor and Great Lakes information easier to read.

Browse counties Open live map Read daily report Chris Izworski profile