Oligocene–Miocene
Flower radiation
Andean orogeny and tubular flowers multiplied trochilid niches.
The hummingbird did not enter English as a finished emblem. Hunts, films, listings and field stations rewrote the animal on a dated clock.
This chapter keeps ten timeline points, five eras and three milestones so a later translation can hold the same years.
Where it began
OligoceneSouth America → Americas
Timeline
c. 30 MaAndean takeoff
Molecular clocks put the trochilid radiation in South America, later exploding with Andean uplift and flower diversity.
1550sSahagún notes
Florentine Codex pages describe huitzitzilin — Aztec hummingbird war and sun associations already old.
1849Gould monograph
John Gould’s hummingbird volumes fed a European skin-and-iridescence market.
1920sCrawford Greenewalt prep
High-speed photography later (1960s) resolved the figure-eight that sketches had guessed.
1970sTorpor physiology
Lab work quantified overnight metabolic drop — a number backyard feeder lore still understates.
1990sAnna’s northward shift
Eucalyptus and urban feeders pulled Calypte anna into the Pacific Northwest year-round.
2004Sword-bill field focus
Andean camera traps and cine made Ensifera ensifera a textbook of bill-flower fit.
2013Bee hummingbird surveys
Cuban endemic counts treated coastal scrub loss as the binding threat for the smallest bird.
2014Smithsonian hover tunnel
Wind-tunnel papers refined power curves that backyard myths still inflate.
2020Gulf radar studies
Weather radar and nanotags tightened the ruby-throated crossing timetable.
The eras
Mesoamerica
Huitzilopochtli’s bird
Aztec war-sun imagery treated the hummingbird as a fallen warrior’s form.
Victorian skins
Gould’s market
Iridescent gorgets became cabinet objects; some populations still show the collecting scar.
1960s–90s
High-speed labs
Stroke kinematics and torpor numbers replaced anecdote.
1990s–
Feeders and range shifts
Anna’s hummingbirds winter in cities that did not host them a century earlier.
Milestones
Figure-eight proof
1960sHigh-speed film showed lift on both half-strokes — the hover mechanism in public science.
Urban Anna’s
1990s–A Mediterranean-climate hummer became a Vancouver winter bird via gardens.
Nanotag Gulf crossings
2010s–Gram-scale tags confirmed nonstop water crossings once inferred from recoveries.
Reading hummingbird history beside the resilience score keeps a recovered stock from standing in for a threatened cousin.
Keep exploring
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