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🦅 Birds

🦅Eagle

Apex diurnal raptors whose stoops, territories and national emblems stretch from taiga cliffs to tropical canopy.

Also called: true eagle · sea eagle · raptor

36 min read Atlas rankings
Eagle -- Wikimedia lead image
User:Punetor i Rregullt5 · CC BY-SA 4.0

Quick facts

3–7 kg (large spp.)Typical mass
120–240 km/hStoop band
1–3 eggsClutch
LC→CR by speciesIUCN mix
Fish / mammal / carrionDiet
birdsFamily

Eagle is one of 24 types in this animals atlas. The pages treat it as a full system -- history, anatomy, operating principles, culture, icons, future pressure and market shape -- not a ranking of a best species.

Scores compare the eagle with the other 23 types on speed, intelligence, range, resilience, cultural impact and ecological role. They are relative editorial marks. Resilience high means more secure; low means threatened. Bald eagle recovered to Least Concern after 2007 delisting; Philippine eagle remains Critically Endangered.

Seven chapters follow: origins, systems, how the animal works, cultural life, named icons, what conservation can still change, and how tourism, conflict, fisheries and parks move money.

Deep introduction

Deep dive: Eagle

Eagle is not a single postcard animal. It is a set of populations, subspecies and human rules inside the birds family of this atlas.

Diversity, bodies, culture and ranges — plus a lens tuned to this language region.

Diversity inside the type

Field guides collapse many lineages into the English word eagle. Subspecies, flyways and captive lines do not share one fate -- bald eagles and Philippine eagles, or western and mountain gorillas, are the caution.

This atlas picks a Wikipedia title as the hero image and then keeps the rest of the grade in view so a recovered stock cannot launder a CR cousin.

Life in the landscape

A fused carpometacarpus, large ungual talons and a hooked bill define the killing kit. Sea eagles add a heavier tarsus for fish; booted eagles add feathered tarsi for cold and mammal prey.

Sit-and-wait on a commanding perch, then a short powered chase or a long stoop. Kleptoparasitism on ospreys saves hunt energy on salmon rivers.

Culture and meaning

English-language culture met the eagle through film, law, heraldry and zoos. Those portrayals move money and sometimes take; they are not a field census.

The culture chapter dates posters and statutes so a 1975 film or a 1961 logo cannot pretend to be a 2020s Red List.

Conservation and money

Bald eagle recovered to Least Concern after 2007 delisting; Philippine eagle remains Critically Endangered.

Tourism, conflict payments, quotas and captive loans are dated economic bands in the market chapter -- not live prices and not a best-species prize.

Life-science deep dive

Biology deep dive: Eagle

Eagle biology is a stack of structure, energy, sensing and hard limits. The four sections below are the same headings used across the atlas so types can be compared without a best-species frame.

Anatomy, senses, behaviour and limits — plus field language for this region.

Structure

A fused carpometacarpus, large ungual talons and a hooked bill define the killing kit. Sea eagles add a heavier tarsus for fish; booted eagles add feathered tarsi for cold and mammal prey.

Load paths and tissues (not metals) are expanded in the anatomy chapter.

Energy and foraging

Sit-and-wait on a commanding perch, then a short powered chase or a long stoop. Kleptoparasitism on ospreys saves hunt energy on salmon rivers.

The how-it-works diagrams reduce that budget to a six-node loop.

Senses and control

A fovea dense with cone cells supports high-acuity prey detection at distance. Oil droplets and a pecten oculi are the usual avian optical extras.

Control here means the animal steering itself -- not a vehicle ECU.

Limits

Wing loading limits closed-canopy pursuit. Lead, rodenticides and turbine blades are modern ceilings that talons cannot solve.

Resilience scores encode those limits relative to the other 23 types.

Visual field notes

Licensed photographs of this species — heroes, eras and icons on one wall.

Eagle -- Wikimedia lead image
User:Punetor i Rregullt5
Eagle
User:Punetor i Rregullt5
Bald eagle -- Eagle
Andy Morffew from Itchen Abbas, Hampshire, UK
Golden eagle -- Eagle
Giles Laurent
White-tailed eagle -- Eagle
Bengt Nyman from Vaxholm, Sweden
Philippine eagle -- Eagle
Aimee Valencia
Rachel Carson -- Eagle
U.S. Fish and Wildlife Service
Harpy eagle -- Eagle
http://www.birdphotos.com
Steller's sea eagle -- Eagle
Michael Pinczolits

The profile

846372669173
Speed 84
Intelligence 63
Range 72
Resilience 66
Cultural impact 91
Ecological role 73

Seven chapters on this species

Head-to-head

Same family, different scores — pick a duel.

Frequently asked questions

Why do bald eagles show a white head only as adults?
The white head and tail typically appear after four to five years. Juveniles are mottled brown, which reduced historical miscounts in winter surveys.
How fast is an eagle stoop compared with level flight?
Level cruising for large eagles is often 50–80 km/h. A hunting stoop is a different regime — trained golden eagles have been filmed above 240 km/h.
Did DDT almost erase North American bald eagles?
By 1963 the lower-48 count was about 417 nesting pairs. The 1972 DDT ban plus Endangered Species Act protection preceded the 2007 delisting.
Are “eagle” species one lineage?
No. “Eagle” is a grade inside Accipitridae. Sea eagles (Haliaeetus) and booted eagles (Aquila) split tens of millions of years ago.
Why is the Philippine eagle a different conservation story?
Pithecophaga jefferyi is a forest-interior endemic with perhaps a few hundred adults. Logging and shooting, not eggshell thinning, dominate the threat list.
Do eagles mate for life?
Many pairs are socially monogamous and reuse eyries, but extra-pair behaviour and mate replacement after nest failure are documented.
What do white-tailed eagles eat in the UK reintroduction?
Fish, seabirds and carrion dominate. Isle of Mull and Isle of Wight releases (from 1975 and 2019 programmes) track sheep-loss complaints against actual diet data.
Is the bald eagle only a US bird?
Breeding spans Alaska to northern Mexico and both coasts of Canada. The US recovery is the famous chapter, not the whole range.

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Similar species

Closest neighbours on the six atlas axes — speed, intelligence, range, resilience, culture and ecological role.

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