Mount Zion Hawk Watch at Windy Saddle ParkGolden, Greater Denver, Colorado, USA
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 state's second spring watch site.
Many raptors seen c. 1.5 miles to the West from Dinosaur Ridge, may be directly overhead at this site, we are hoping.
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.
| Daily Raptor Counts: Apr 04, 2025 |
| Species | Day's Count | Month Total | Season Total |
| Black Vulture | 0 | 0 | 0 |
| Turkey Vulture | 0 | 0 | 7 |
| Osprey | 0 | 0 | 0 |
| Bald Eagle | 1 | 2 | 6 |
| Northern Harrier | 0 | 0 | 1 |
| Sharp-shinned Hawk | 0 | 0 | 3 |
| Cooper's Hawk | 0 | 1 | 3 |
| American Goshawk | 0 | 0 | 0 |
| Broad-winged Hawk | 0 | 0 | 0 |
| Red-tailed Hawk | 1 | 1 | 33 |
| Rough-legged Hawk | 0 | 0 | 0 |
| Swainson's Hawk | 0 | 0 | 0 |
| Ferruginous Hawk | 0 | 0 | 1 |
| Golden Eagle | 1 | 3 | 17 |
| American Kestrel | 0 | 0 | 1 |
| Merlin | 0 | 0 | 0 |
| Peregrine Falcon | 0 | 0 | 0 |
| Prairie Falcon | 0 | 0 | 4 |
| Mississippi Kite | 0 | 0 | 0 |
| Unknown Accipitrine | 0 | 0 | 0 |
| Unknown Buteo | 0 | 0 | 0 |
| Unknown Falcon | 0 | 0 | 0 |
| Unknown Eagle | 0 | 0 | 0 |
| Unknown Raptor | 0 | 1 | 1 |
| Total: | 3 | 8 | 77 |
| Observation start time: | 08:00:00 |
| Observation end time: | 11:30:00 |
| Total observation time: | 3.5 hours |
| Official Counter | Ajit Antony |
| Observers: | |
Visitors:A young man, a city planner from Virginia after attending a conference at
Winter Park and spending today sightseeing, describe this as the Stairway
to Heaven; we had a long discussion on raptor migration, he told me he
could see Bald Eagles from his office window. A family from Ohio was
curious about my activities. A young man asked me whether I was from India,
and when did I go home last, and this is a question a few of my patients
used to ask me when I practiced urology in New York, and my answer was the
same "Last night." He said his mother was English and came to the US when
she was 8 months pregnant with him, and he thinks of England as home.
Weather:The forecast was for light NNE winds with gusts to 18 mph with a 60% chance
of snow by 10:00 a.m. and heavier snow by 1:00 p.m. According to
earth.nullschool.net the winds at 700 hPa (which would correspond to an
elevation of 9,800 ft, around 2700 ft above the level of the watch) were
predicted from the NNE at 35 km/h, which direction corresponded to the
surface forecast. At the watch the winds were variably from the SW but also
from the NE and East at various times. The Soaring Forecast was poor with 0
m/s lift! Ridges and conifers were dusted with white, very pretty. There
were a few flakes of snow in the first 2 hours, then began sleeting with 2
mm size pellets for the rest of the watch. I wondered whether raptors would
migrate through sleet, and found from the internet that they could, so I
stayed.
Raptor Observations:The first migrant was at 10:07 a.m. MDT, an adult BE seen 5 Km to the NE at
the North end of North Table Mountain, and which did not have much lift,
and dropped, but soared NNE. At 10:25 a.m. an adult GE was seen using
binoculars over Lookout Mountain, it perched on the microwave tower to the
West of the mountain, and when two Ravens passed by a minute later, dove
down on one of them, did the territorial rollercoaster dive, then came
almost directly overhead quite low, then was chased by a raven and soared
to the NE, where it had no lift and dropped. This was an eye opener for me
in that I thought that an eagle could be seen with the naked eye over
Lookout Mountain, however it is 1 km/0.6 miles away, and I learned that I
need to do even more binocular scanning to the South to find smaller hawks.
At 10:37 a.m. a small dot was seen at the top of Green Mountain next to the
antenna, less than a minute later it probably caught a ridge lift and was
high over the north end of Green Mountain, in my scope it was an adult RT
which lost height, flapped and glided to the north.
Non-migraine raptors: BE immature, at 10:51 a.m. a naked eye seen eagle
over North Table Mountain flew SW along Clear Creek Canyon, it had a lot of
white on the dorsal wings, either a very pale individual or one which was
severely bleached; RT 1 kiting and hovering over Lookout Mountain, and me
trying to make it into an RL, except it had an uniformly colored tail, an
immature which landed on a tree.
Non-raptor Observations:Townsend's Solitaire 2 both calling and singing, Dark-eyed Junco 1, Common
Raven 2, American Crow 2.
Predictions:Light North-based Winds becoming East by 10:00 a.m., later becoming NE.
Report submitted by Ajit Antony (
aian...@earthlink.net)
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