Migration! Arrivals & Departures This Week


Ruby-throated hummingbird, Annandale, NJ, 5 Sept 2012 (photo by Ellen & Tony via Flickr Creative Commons license)

14 August 2023

Numerous us suppose that fall migration doesn’t begin till the tip of August, however guess what? BirdCast resumed migration predictions on 1 August and their regional lists of Species On The Move present an inflow of 10 noticeable species this week whereas 5 have already left, or are about to. Don’t wait to go birding. Examine BirdCast instruments to seek out out why.

Species On The Move makes use of twenty years of eBird knowledge to calculate motion from begin to end inside 4 areas: Higher Midwest & Northeast, Gulf Coast & Southeast, Nice Plains, and West. After all they listing First Arrival, Peak, and Final Departure however my favourite markers are:

  • Noticeability: *** Three asterisks imply we’re actually more likely to discover this species.
  • Fast Migrant Inflow: Just a few could also be right here already however numbers improve quickly on this date.
  • Fast Departure: Numbers drop rapidly on this date although a number of will linger.

The tables are grouped by area with Pittsburgh within the coronary heart of BirdCast’s Upper Midwest & Northeast region. These dates are estimates however they’re good ones. Let’s have a look who left after which who’s coming quickly.

Noticable Departures: Who Simply Left?

Orchard oriole singing at Frick Park, 26 April 2023 (photograph by Charity Kheshgi)

Have you ever seen that orchard orioles, northern rough-winged swallows and willow flycatchers are mainly gone? They began leaving in July, then quickly departed within the first week of August. Yellow warblers and purple martins usually are not far behind. They’ll depart this week.

The screenshot beneath is a fast abstract of speedy departures as of 13 August 2023. It exhibits:

  • Higher Midwest and Northeast area
  • Pared right down to Noticeable birds (*** or **)
  • Sorted by Fast Migrant Departure date
  • Not together with some goodies comparable to Louisiana waterthrush, alder flycatcher and least bittern. (They’re on the web site however not “Noticeable” for my pared-down screenshot.)
pared-down screenshot of BirdCast Species On The Move, noticeable Last Departures, Upper Midwest & Northeast

Noticeable Arrivals: What Fast Inflow will we see this week?

Immature ruby-throated hummingbird (photograph from Wikimedia Commons)

If you happen to haven’t seen them already ruby-throated hummingbirds will make a speedy inflow immediately, 14 August.

The bigger area will see elevated numbers of widespread nighthawks and Canada Warblers however in Pittsburgh it’s normally the final week of August.

Widespread nighthawk photograph by Chuck Tague; Canada warbler photograph by Kuldeep Singh

Right here’s a fast abstract of Starting Arrivals as of 13 August 2023 — identical parameters because the departures above.

pared-down screenshot of BirdCast Species On The Move, noticeable Beginning Arrivals, Upper Midwest & Northeast

The tables change day-after-day, dropping previous dates and choosing up new species sooner or later, so try BirdCast’s Species on the Move to seek out out what’s taking place close to you.

p.s. How will you already know if it’s value going birding? Examine BirdCast Migration Tools for forecast maps, stay maps and alerts.

(photographs from Wikimedia Commons, Charity Kheshgi, Chuck Tague, Kuldeep Singh. Tables are modified screenshots from BirdCast’s Species On The Move for the Upper Midwest and Northeast. Make sure to test BirdCast for the most recent knowledge)



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