Mount Zion Hawk Watch at Windy Saddle Park
Golden, Greater Denver, Colorado, USA
To see hourly weather data and details of migrant raptors, look up this watch at hawkcount.org. This is a new raptor migration site identified and designated in mid-September 2024. This is Colorado's 1st fall hawk watch site, and the second hawk watch in Colorado. To get to the site which is along Lookout Mountain Rd. in Golden, enter either Windy Saddle Park or Mount Zion into Google Maps on your favorite navigation app, or enter the coordinates 39.7368,-105.2454. From the parking lot ascend the stone steps to the watch site. EVERYONE IS WELCOME TO THE HAWK WATCH TO ENJOY THE SPECTACLE OF RAPTOR MIGRATION, EVEN IF YOU KNOW NOTHING ABOUT IDENTIFYING RAPTORS IN FLIGHT. We will help you to learn Raptor ID if you are interested. See https://groups.google.com/g/cobirds/c/Oznn4uc6MBk
| Daily Raptor Counts: Sep 06, 2026 |
| Species |
Day's Count |
Month Total |
Season Total |
| Black Vulture |
0 |
0 |
0 |
| Turkey Vulture |
3 |
22 |
127 |
| Osprey |
0 |
6 |
8 |
| Bald Eagle |
0 |
0 |
1 |
| Northern Harrier |
0 |
0 |
1 |
| Sharp-shinned Hawk |
0 |
1 |
4 |
| Cooper's Hawk |
6 |
12 |
26 |
| American Goshawk |
0 |
0 |
0 |
| Broad-winged Hawk |
0 |
0 |
0 |
| Red-tailed Hawk |
12 |
50 |
207 |
| Rough-legged Hawk |
0 |
0 |
0 |
| Swainson's Hawk |
0 |
4 |
19 |
| Ferruginous Hawk |
0 |
0 |
0 |
| Golden Eagle |
0 |
0 |
1 |
| American Kestrel |
0 |
1 |
21 |
| Merlin |
0 |
0 |
0 |
| Peregrine Falcon |
0 |
0 |
1 |
| Prairie Falcon |
0 |
0 |
1 |
| Mississippi Kite |
0 |
0 |
0 |
| Unknown Accipitrine |
0 |
0 |
0 |
| Unknown Buteo |
0 |
0 |
1 |
| Unknown Falcon |
0 |
0 |
0 |
| Unknown Eagle |
0 |
0 |
0 |
| Unknown Raptor |
0 |
0 |
1 |
| Total: |
21 |
96 |
419 |
| Observation start time: |
08:15:00 |
| Observation end time: |
13:00:00 |
| Total observation time: |
4.75 hours |
| Official Counter |
Ajit Antony |
| Observers: |
Liza Antony, Robert Hill |
Visitors:
Robert Hill a geologist from Westminster read our reports on COBirds and had wanted to come up for the past few weeks, and finally our mention of Kirstin Chapman who's kestrels he has gone to and visited, made his decision to come up this morning to the watch. He was able to find us some hawks to the north which turned out to be non-migrants, but continuing to look in that area we were able to find 3 CH migrants. We were able to show him how to make out a juvenile RT even at a great distance from the translucent rectangular windows just inside the wing tips, and he began identifying them with his binoculars and scope. Being an extrovert Robert was very comfortable interacting with the many hikers who asked us numerous questions about hawk watching, hawk watches, Hawkcount, HMA, the flocking behavior of BW and SW on migration, our binoculars and scopes, thermal formation and thermal used by raptors, that there is an even larger migration at night of passerines. We showed a few hikers TVs perched on the antennas on Lookout Mountain, including once allowing a couple to look through his binoculars. A woman wanted to know when we see cranes, and I suggested using the Merlin app with the bar graphs. The comments we got from hikers were Cool and Super cool at what we were doing.
Weather:
There was much more Wildfire smoke over and around Denver compared to this past week which Limited clear visibility initially to 6 km going to 19 km in the 10:00 MST hour and 20 km only by the last hour. There were cirrus and cumulus clouds to the East and a huge high cirrus cloud to the South, light winds from the East.
Raptor Observations:
The first migrant was an RT over the middle of Lookout Mountain going south at 9:39 a.m. DST. Today's highlight was 2 juvenile Cooper's Hawks which came low from the north, dove on each other repeatedly, circled the watch 40 ft away, and then a scant 15 ft from us. Beautiful. Likely from the same nest. Non-migrant raptors: CH 1, RT 3, TV 5.
Non-raptor Observations:
WBNU Eastern subspecies heard! WTSW 5, STJA 2, MOCH 1, BTHU 1, CORA 2. 19 paragliders, the initial ones at 10:00 a.m. DST had no lift and stayed well below us over golden while the ones an hour later had moderate left doing a little above our level while the ones who went up at noon had tremendous lift going really high and soaring far to the North as well as the South where they couldn't be even seen with the naked eye. The Soaring Forecast of the NWS predicted lift at 18 ft per second with a maximum thermal height of 12,081 ft AGL, a mile above the watch. That's how high raptors could fly at!
Predictions:
A 30 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 87. West-southwest wind around 6 mph becoming light and variable.
Report submitted by Ajit Antony (
aiantony@earthlink.net)
More information at
hawkcount.org: [
Site Profile] [
Day Summary] [
Month Summary]
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