#NationalHummingbirdDay :
Ernst Haeckel
Trochilidae - #Hummingbirds
Pl.99, Kunstformen der Natur (1899-1904)
https://www.biodiversitylibrary.org/page/47388491#page/531/mode/1up
1 Male Ruby-throated Hummingbird
2 Male Horned Sungem
3 Male Crimson Topaz
4 Male Red-tailed Comet
5 Male Tufted Coquette
6 Male Sword-billed Hummingbird
7 Buff-tailed Sicklebill
8 Male Dot-eared Coquette
9 Male White-vented Violetear
10 Male Hooded Visorbearer
11 Female Juan Fernández Firecrown
12 Male Booted Racket-tail