IV · The migration map

Move the month. Watch the state change.

New Hampshire's bird year runs on a schedule — hawks down the ridges in September, sea ducks on the coast in January, a handful of alpine birds on Mount Washington for six weeks in summer. Drag the slider or step through the months, and the map lights up where the action is. Tap any hotspot to see what it should hold that week, cross-linked to the species notes, with recent eBird sightings pulled in live.

Odiorne PointGreat BayHampton–SeabrookPack MonadnockCarter Hill OrchardFranklin FallsOssipee Pine BarrensMount WashingtonPondicherryUmbagogHinsdale Setbacks
September

Loading the year…

Reading it

  • A shaded region means something is moving through it that month.
  • A filled, ringed marker is a hotspot that's "on" — a migration event peaks there, or it's simply one of that site's best months.
  • A hollow marker is quiet for the selected month (its resident birds are still there).

Keyboard: the month slider takes arrow keys; every hotspot is a focusable button, and the pill list under the controls does the same job. The Play the year button steps through all twelve months on its own.

Where the timing comes from

Season windows are built from NH Audubon's Raptor Observatory counts at Pack Monadnock and Carter Hill (daily, Sep 1–Nov 30), HawkCount records for the Monadnock region, USFWS refuge accounts for Great Bay and Umbagog, the Loon Preservation Committee, and eBird's US-NH seasonal frequency data. Live sightings are the eBird API's recent-observations feed, resolved to the nearest eBird hotspot by coordinates. The map itself is drawn, not surveyed — marker positions are approximate.