Total birds
8900 Birds have crossed District of Columbia so far tonight (est.)
Starting: Sat, Mar 1, 2025, 12:00 AM EST
Live migration traffic
300 Birds now in flight (est.)
Direction: —
Speed: —
Altitude: —
Recorded: Sat, Mar 1, 2025, 5:10 AM EST
Direction, speed, and altitude cannot be reliably determined when the number of birds in flight is low.
Here's what's happened so far tonight...
Birds in flight
Birds usually begin to migrate 30 to 45 minutes after sunset, with the greatest number in flight two to three hours later.
Flight direction and speed
app.speedNote
Altitude
Migrating birds regularly fly up to 10,000 feet above ground, although seasonal timing and weather conditions dramatically impact their distributions.
Note: Direction, speed, and altitude may be unreliable when the number of birds in flight is low. In such cases, chart data may include gaps.
And so far this season...
Birds in flight (nightly avg.)
app.aloftSeasonalNote
Total birds crossed
This is the estimated total number of birds that have fully crossed this region. The curve rises quickly during peak migration and levels off at the end of the season.
Expected nocturnal migrants
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