01 Flock assemble
Contact calls keep a foraging group in canopy that hides the birds.
Parrot · Zygodactyl hookbills whose social brains, mimicry and nest-cavity needs collide with the cage trade.
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Irene Pepperberg’s papers treated English tokens as categories, not circus tricks. Alex (1976–2007) identified colours, shapes and same/different above chance. The debate is about the ceiling, not whether the tasks happened.
Wild capture for pets plus forest loss cut Psittacus erithacus. Appendix I ended most commercial international trade in wild greys.
Every Strigops is named and managed on predator-free New Zealand islands. Supplementary feeding and nest cameras make it closer to intensive care than to a hands-off reserve.
They are an introduced boom, not a restored native. Cavity competition with starlings and bats is the local argument.
Cavity trees come down with forest. The pet trade added a second cut. Spix’s macaw went extinct in the wild before a 2019–20s reintroduction attempt in Bahia.
They learn contact calls in flocks. Human-word mimicry is the lab and living-room version of a general vocal-learning kit shared with songbirds and hummingbirds.
Operating a parrot life is a loop: sense, decide, act, and stay inside an energy and legal envelope.
Steps are type-level -- hunt, migrate or spawn -- not a promise that every individual follows the same film sequence.
Fruits, seeds, nectar and clay licks. Large macaws commute to palm stands; kakapo browse night vegetation on a low metabolic budget.
High visual acuity and UV plumage signals. Vocal learning is the social sense that made the cage trade inevitable.
Slow breeders (whales, apes, albatrosses, tigers) cannot outrun a short political cycle. Fast clutch species still fail if the nest site vanishes.
A parrot without its lake, ice, anemone or gravel is a different, usually failing, animal.
Quotas, feeders, reserves and films rewrite survival as much as weather. Cavity trees and legal trade loopholes. Long lives in cages do not replace wild recruitment.
Contact calls keep a foraging group in canopy that hides the birds.
Bill and foot hold a nut, palm or tourist car rubber.
Amazonian macaws dose secondary compounds at river banks.
A tree hole, cliff or nest box decides whether a pair breeds.
Weeks to months of regurgitated food; intelligence is expensive to grow.
Yearlings match flock calls — the wild version of “talking”.
Cavity trees and legal trade loopholes. Long lives in cages do not replace wild recruitment.
Without the breeding site or forage pulse, brochure behaviour is theoretical.
Quotas, listings and trade rules now bound real populations as tightly as weather.
Apex diurnal raptors whose stoops, territories and national emblems stretch from taiga cliffs to tropical canopy.
Overall 75 🦉Nocturnal raptors whose facial discs, silent flight and asymmetric ears turn darkness into a hunting map.
Overall 72 🐧Flightless southern divers that turned wings into flippers and ice edges into commute routes.
Overall 56 🐦New World nectar specialists that hover on figure-eight wings and migrate on a few grams of fat.
Overall 63 🦩Long-legged filter feeders whose bent bills and carotenoid diets turn alkaline lakes into pink cities.
Overall 52 🪽Dynamic-soaring ocean birds whose metres-long wings and baited longlines now share the same latitudes.
Overall 58 🦢Tall wetland dancers whose red-crowned East Asian population is the atlas type and a conservation bottleneck.
Overall 53