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🧬 Biological Classification (Kingdom to Species)Falco sparverius

Kingdom

Animalia

Phylum

Chordata

Class

Aves

Order

Falconiformes

Family

Falconidae

Genus

Falco

Species

Falco sparverius

Aves🥩 Carnivore

American Kestrel

Falco sparverius (American Kestrel · アメリカチョウゲンボウ)

🛡️ Conservation Status (IUCN Red List)LC (Least Concern)

DDData Deficient

LCLeast Concern

NTNear Threatened

VUVulnerable

ENEndangered

CRCritically End.

EWExtinct in Wild

EXExtinct

Geological Era

Extant

Diet

Carnivore

Length · Height

22~31cm · No data (Wingspan 0.51m)

Mass · Top Speed

80~165g · No data

Habitat & Fossil Locality

Open country and urban environments, including fields, cities, deserts, plains, mountains, and tropical lowlands

💡 Everyday Comparisons for Size, Mass & Speed

💡 Its maximum weight of 165 g is about the weight of three chicken eggs, and its wingspan of 61 cm is roughly the length of an adult's arm (Comparison).
💡 In the United States, it is one of the birds permitted for beginner falconers, and it helps farmers by catching rodents and insects (ADW "Economic Importance for Humans: Positive").
💡 Sick or dead individuals serve as an early warning signal for West Nile virus outbreaks, so public health authorities use them for monitoring (ADW).

Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.

📊 Mass & Speed Index (0–100)

⚖️ Mass Index (Blue Whale ~190 t = 100, log scale)23

Site-computed relative index from recorded values; not a formal scientific metric.

#아메리카황조롱이#Falco sparverius

📖 1. Overview

The American Kestrel is a small falcon adapted to almost every habitat, from fields and cities to deserts, mountains, and tropical lowlands. It can live wherever there are cavities for nesting, open ground for hunting, and tall perches.

🦴 2. Anatomy & Morphology

Males have blue-gray wings and crowns while females are reddish-brown, and juveniles resemble females. Both sexes have two bold black vertical slashes on the face and a sharp, pointed beak.

🔍 3. Ecology & Behavior

In summer it catches insects such as grasshoppers, crickets, butterflies, and beetles, and in winter it hunts mice, voles, snakes, frogs, and small birds. It hunts by hovering in place, waiting on high perches, or catching insects in flight.