Date: 10/10/25 8:13 pm From: Andrew Core (via aznmbirds Mailing List) <aznmbirds...> Subject: [AZNMbirds] RBA Tucson, AZ - 10 October 2025
Hello Birders,
This update of Tucson Bird Alliance's Rare Bird Alert for Southeast Arizona
was made on October 10, 2025; the next update will be made on October 17.
Email your reports to rarebirdalert AT tucsonbirds.org
SEVERAL IMPORTANT ANNOUNCEMENTS follow the sightings, including information
on temporary closures and rules for access to other important birding
areas. Abbreviation "m.ob." = multiple observers. An asterisk (*)
preceding a species name in the list indicates that it merits careful, full
documentation. A pound sign (#) indicates that brief corroborating details
are warranted. Documentation and photos of review species may be submitted
at https://url.usb.m.mimecastprotect.com/s/c3-tCnGWL0cmZKrjGh9fvuJSDDr?<domain...> A list of review
species can be found here:
https://url.usb.m.mimecastprotect.com/s/SZZQCoAWMofvVB6ZXUzhvup8atn?<domain...>
SIERRA VISTA & the HUACHUCAS
A young male *RUBY-THROATED HUMMINGBIRD was photographed in a Hereford yard
on 10/2 and 10/3 (Chris Harbard).
A different *RUBY-THROATED HUMMINGBIRD was photographed at Ash Canyon Bird
Sanctuary on 10/6 and continued through 10/10 (m.ob.).
#BROAD-WINGED HAWKS were reported in Huachuca City on 10/4 (Daniel Allen,
Theresa Mathis) and in Huachuca Canyon on 10/7 (Diana Doyle).
WILLCOX & the SULPHUR SPRINGS VALLEY
Three *LESSER BLACK-BACKED GULLS were reported at Lake Cochise by the Twin
Lakes Golf Course on 10/7 (Chris Rohrer).
WHITEWATER DRAW
At Whitewater Draw Wildlife Area, a *BOBOLINK was reported on 10/8 (Jeremy
Dominguez).
TUCSON area
A #LEAST GREBE continued at El Rio Open Space Preserve in Marana through
10/10 (m.ob.). ACCESS NOTE: planned maintenance will dry out the pond this
week. Annotated map: https://url.usb.m.mimecastprotect.com/s/Q5tJCwn6XzHyEAg9LIxC4uJmzH4?<domain...> A #BROAD-WINGED HAWK was photographed in the Tanque Verde Wash west of
Wentworth Rd. on 10/10 (Michael Sadat).
ARIVACA & BUENOS AIRES NWR
A #BROAD-WINGED HAWK was photographed at Arivaca Lake on 10/9 (Brian
Nicholas).
TUCSON - Mosquito control operations are scheduled at Sweetwater Wetlands
from 6:30-9:00am on Mondays during the warmer months (usually March -
November). The gate will open when operations are finished. Due to
long-term construction, Roger Road WRF is closed. See the Sweetwater page (
https://url.usb.m.mimecastprotect.com/s/aEPlCxoWYAIx59PwJIgFnuy9Yxb?<domain...> for details.
RAMSEY CANYON - Ramsey Canyon Preserve is closed Tuesdays and Wednesdays.
ASH CANYON BIRD SANCTUARY: open dawn to dusk EXCEPT Thursday, when open
noon to dusk. Parking is limited; please carpool whenever possible. No need
to call ahead.
FORT HUACHUCA - access requirements are posted on its official webpage at
https://url.usb.m.mimecastprotect.com/s/_80_Czqg1Di4YxO9RS7IAu9ueZx?<domain...> The Visitor Control Center is located at the Van Deman Gate on Hwy 90. The
fort is an active military installation and will suspend your driving
privileges on Post for 30 days on your first offense for talking or using a
cell phone while driving. You MUST use a hands free device. Current entry
requirements (subject to change without notice): US citizens must pass a
background check and should be prepared to show photo ID for everyone in
the vehicle at the entrance, and possibly your vehicle registration and
insurance as well. Sometimes, foreign nationals are required to have an
approved military escort; contact the base (520.533.7111), or possibly the
Sierra Vista Visitor's Bureau (520.417.6960) well in advance. ACCESS NOTE:
a REAL ID is required for entry; some state driver's licenses qualify; see
https://url.usb.m.mimecastprotect.com/s/iJdhCA8EBztEKnG29uwS1uGG0LR?<domain...> for details.
SANTA CRUZ FLATS: Management at the Evergreen Turf Sod Farm has asked
birders not to drive into the property (i.e., the 2750 road); birding from
perimeter roads (i.e., Tweedy or Pretzer) is still fine.
AVRA VALLEY WRF: Gates open at 8AM and close PROMPTLY at 2PM (do not
linger, you will be locked inside). Access subject to change without notice.
GREEN VALLEY WRF: Open 7 AM - 2 PM. Park outside the fence and use the
pedestrian gate, and stay away from buildings and construction equipment.
Access subject to change without notice.
CORONA DE TUCSON WRF and NOGALES STP: Closed to entry; some facilities may
be viewed from outside the fence.
