Kerry Carroll — May 14, 06:03PM
Extreme drop in the number of Ruby throated hummingbirds this year in West Tennessee
I usually have between 100 to 150 Humming birds at my feeders by this time each year. This year the most I am seeing is 10. Has anyone else noticed this drop in numbers and does anyone have an explanation?
Lee Ann van Leer — May 15, 01:20PM
Project Feeder Watch has a general statement about fluctuations of feeder birds on their FAQ site.
On eBird if you click the Explore tab and then bar charts you can see fluctuations in sightings based on the time of year and choose which years you want to explore.
This is for Ruby-throated Hummingbird in Tennessee and you can change the date range.
You can also look at High Counts.
You can change the region to your county.
You might also want to explore Hot Spots in your area to see how many hummers have been seen at those spots lately.