ndpederson's Identifications

SPECIES: Broadtail Hummingbird, Selasphorus platycerus (Swainson, 1827)
DISTINCTIONS: Broad tail, relatively shorter bill, a white eye ring (Figs. A,B), and making a trilling noise as it flies; immature males similar to females, sometimes with a few red neck feathers (Figs. C,D).
DATE, TIME: 21 August 2022, 3:41pm
DISTRIBUTION: Breeds in highlands from western USA and Western Canada; winters in southern Mexico and Guatemala.
LOCATION: 280 Private Drive, 1708 Highway, US-84, Abiqiui, New Mexico 87510
LATITUDE, LONGITUDE: 36.33112, -106.47295
ELEVATION: 1979 m (6493 ft)
SIMILAR SPECIES: The Rufus Hummingbird, Selasphorus rufus (Gmelin, 1788) also has a red throat and is very common in New Mexico. The male has red on more of the head and around the eye and a bright orange back and belly. The Ruby-throated Hummingbird, Archilochus colubris (Linnaeus, 1758), male has a red throat, not extending to the eye, green to dark head, green body, forked-pointed tail; females are more blandly colored, white to grayish throat with small broken lines or spots, white breast, rounded tail with tips of outer 3 feathers with white ends. It is a rare vagrant in New Mexico.
COLLECTION: photographs only, by EHW.
BEHAVOR: Undisturbed by crowds of people passing nearby. Very aggressively, defended hummingbird feeders.
STATUS: stable and widespread
OBSERVERS: Ernest H. Williams, Jr. [4,5,7,8] and Lucy Bunkley-Williams[4,6,,7,9]
REERENCES:
<>Williams, E. H., Jr. and L. Bunkley-Williams. 2022. First confirmed iNaturalist locality record for the Broad-tailed Hummingbird, Selasphorus platycerus (Swainson), at Ghost Ranch, Abiqiui, New Mexico, and surrounding river valley. iNaturalist #142551774, ResearchGate, 18 November 2022 (open access) [718]
FOOTNOTES:
[1]Identification was peer-reviewed, text edited and condensed. The entire, original text is in our available reprint [718]. [2]Professors, Potchefstroom Campus, North-West University, South Africa; Adjunct Professors, Research Field Station, Florida Gulf Coast University, 5164 Bonita Beach Road, Bonita Springs, FL 34134; [5]Dept. Marine Sciences, University of Puerto Rico (retired); [6]Dept. Biology, UPR (retired); [7]920 St. Andrews Blvd, Naples, FL 34113-8943; [8]e-mail ermest.williams1@upr.edu; cell 239-227-3645, ORCID 0000-0003-0913-3013; [9]Cell 787-467-2179, e-mail lucy.williams1@upr.edu, ORCID 0000-0003-1390-911x

Figure A. Male Broad-tailed Hummingbird with red throat and green head and body
Figure B. Broad-tailed Hummingbird male different angle changes apparent colors
Figure C. Immature male with developing red throat
Figure D. Same immature male with developing red throat