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 Transfer 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 Transfer makes use of 20 years of eBird knowledge to calculate motion from begin to end inside 4 areas: Higher Midwest & Northeast, Gulf Coast & Southeast, Nice Plains, and West. In fact they listing First Arrival, Peak, and Final Departure however my favourite markers are:
- Noticeability: *** Three asterisks imply we’re actually prone to discover this species.
- Speedy Migrant Inflow: Just a few could also be right here already however numbers enhance quickly on this date.
- Speedy Departure: Numbers drop rapidly on this date although just a few will linger.
The tables are grouped by area with Pittsburgh within the coronary heart of BirdCast’s Higher Midwest & Northeast area. These dates are estimates however they’re good ones. Let’s check out who left and who’s coming quickly.
Noticable Departures: Who Simply Left?

Have you ever observed 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 are usually not far behind. They’ll depart this week.
The screenshot beneath is a fast abstract of fast departures as of 13 August 2023. It reveals:
- Higher Midwest and Northeast area
- Pared right down to Noticeable birds (*** or **)
- Sorted by Speedy Migrant Departure date
- Not together with some goodies similar to Louisiana waterthrush, alder flycatcher and least bittern. (They’re on the web site however not “Noticeable” for my pared-down screenshot.)

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

For those who haven’t seen them already ruby-throated hummingbirds will make a fast inflow at this time, 14 August.
The bigger area will see elevated numbers of widespread nighthawks and Canada Warblers however in Pittsburgh it’s often the final week of August.

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

The tables change each day, dropping previous dates and selecting up new species sooner or later, so take a look at BirdCast’s Species on the Transfer to seek out out what’s occurring close to you.
p.s. How will you realize if it’s value going birding? Examine BirdCast Migration Instruments for forecast maps, reside maps and alerts.
(images from Wikimedia Commons, Charity Kheshgi, Chuck Tague, Kuldeep Singh. Tables are modified screenshots from BirdCast’s Species On The Transfer for the Higher Midwest and Northeast. Make sure you test BirdCast for the newest knowledge)