🧬 Biological Classification (Kingdom to Species)Sciurus carolinensis
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Rodentia
Family
Sciuridae
Genus
Sciurus
Species
Sciurus carolinensis
Eastern Gray Squirrel (Sciurus carolinensis)📸 Photo

Photo: Dominic Nelson · CC BY-SA 4.0 · Wikimedia Commons Source

Mammalia🍂 Omnivore

Eastern Gray Squirrel

Sciurus carolinensis (Eastern Gray Squirrel · トウブハイイロリス)

🛡️ 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
Omnivore
Length · Height
38~52.5cm · No data
Mass · Top Speed
338~750g · No data
Habitat & Fossil Locality
Mature broadleaf forests and urban and suburban parks of eastern North America

💡 Everyday Comparisons for Size, Mass & Speed

  • 💡 Its maximum weight of 750 g equals one and a half 500 mL water bottles (about 0.5 kg each), and its total length of 52.5 cm is about 1.8 times the long side of an A4 sheet (29.7 cm) (Comparison).
  • 💡 In the U.S. state of Mississippi, 2.5 million are hunted each year for an economic impact of 12.5 million dollars, and nature watchers rank them second only to birds in value.

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)31

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

#동부회색청서#Sciurus carolinensis

📖 1. Overview

The Eastern Gray Squirrel is a medium-sized tree squirrel of eastern North American forests that also thrives in cities and suburbs.

🦴 2. Anatomy & Morphology

Its back ranges from dark to pale gray, sometimes mixed with cinnamon tones, while its ears and tail are pale gray to white. Males and females do not differ in size or color, and black individuals are common in the north.

🔍 3. Ecology & Behavior

It feeds mainly on nuts, flowers, and buds of trees such as oaks, hickories, and walnuts, along with grains, fungi, and insects. Most active in the morning and before sunset, it uses both tree cavities and leaf nests built on branches.

🇰🇷 4. Connection to Korea

No direct record connecting this species to Korea has been found.

📚 Sources & References

Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.

🔗 Related & Comparable Species

DATA & LICENSE

📚 Data & Image Sources and Licenses

Full Citation Principles →
① Photos: Wikimedia Commons

Every photo's author and license is verified via the Wikimedia Commons API (PD, CC0, CC BY, CC BY-SA) and displayed with full attribution and source links.

② Summaries: Wikipedia

Wikipedia summary excerpts on detail pages are licensed under CC BY-SA 4.0 and linked to the original article.

③ Measurements & IUCN Status

Length, mass, and speed are representative estimates from published literature. Conservation status follows IUCN Red List categories (iucnredlist.org).

④ Silhouettes & Scale Diagrams

Silhouettes on the size comparison stage use open-licensed PhyloPic illustrations and custom body diagrams drawn at an exact 1m = 1m scale.

Expert review: looking for reviewers · compiled by quoting official (English) sources

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