Common dung beetle vs Polar bear
Aphodius pedellus compared with Ursus maritimus
Key Differences
- Common dung beetle is Least Concern while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | Common dung beetle | Polar bear |
|---|---|---|
| Kingdom same | Animalia (動物) | Animalia (動物) |
| Phylum | Arthropoda (節足動物) | Chordata (脊索動物) |
| Class | Insecta (昆虫) | Mammalia (哺乳類) |
| Order | Coleoptera (コウチュウ目) | Carnivora (ネコ目) |
| Family | Scarabaeidae | Ursidae (Bears) |
| Genus | Aphodius | Ursus (Bears) |
| Species | Aphodius pedellus | Ursus maritimus |
Evolutionary Relationship
Common dung beetle and Polar bear share a common ancestor at the Kingdom level: Animalia. (動物)
Conservation Status
Common dung beetle
LC — Least ConcernPolar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Common dung beetle | Polar bear |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
Common dung beetle
Typically found in virtually all terrestrial and freshwater habitats.
Distributed across Denmark, Norway, Sweden, Switzerland, and United States.
Polar bear
Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.
Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
Common dung beetle
<em>Aphodius pedellus</em>, a species of dung beetle in the family Scarabaeidae, is classified as Least Concern by the IUCN Red List, indicating a stable conservation outlook across its known range. The species has been documented in Denmark, Norway, Sweden, Switzerland, and the United States, with its distribution spanning virtually all terrestrial and freshwater biome types. As a member of the Aphodiini tribe, <em>Aphodius pedellus</em> typically inhabits pastures, meadows, and woodland edges where mammalian dung is available, as dung beetles in this genus rely on feces as both a breeding medium and a food resource. These beetles play a critical role in nutrient cycling and soil aeration, breaking down organic waste and accelerating the return of nutrients to the soil. Their burrowing activity beneath dung pats enhances soil structure and improves water infiltration. <em>Aphodius pedellus</em> is part of a guild of coprophagous insects that collectively support healthy agricultural and natural ecosystems across temperate Europe and North America. Biological traits of this species remain poorly documented in the scientific literature.
Polar bear
地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。
Related Comparisons
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