Buckelwal vs Coastal Dung Beetle

Megaptera novaeangliae compared with Onthophagus nigriventris

Key Differences

• Buckelwal is Vulnerable while Coastal Dung Beetle is Least Concern.

Taxonomic Classification

Rank	Buckelwal	Coastal Dung Beetle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Cetacea (Whales & Dolphins)	Coleoptera (コウチュウ目)
Family	Balaenopteridae (Rorquals)	Scarabaeidae
Genus	Megaptera (Humpback Whales)	Onthophagus
Species	Megaptera novaeangliae	Onthophagus nigriventris

Evolutionary Relationship

Buckelwal and Coastal Dung Beetle share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Buckelwal

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Coastal Dung Beetle

LC — Least Concern

Physical Characteristics

Attribute	Buckelwal	Coastal Dung Beetle
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	15.0 m	—
Average Weight	30.0 t	—

Habitat & Geographic Range

Buckelwal

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Coastal Dung Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

Buckelwal

大型クジラの中で最も曲芸的なクジラのひとつであるザトウクジラは、繁殖期にオスが歌う複雑で神秘的な歌で知られており、数時間にわたって続き時間をかけて変化していきます。体長16m、体重30トンに達し、哺乳類の中で最長の回遊を行います。全海洋に分布し、協調的なバブルネット採餌でオキアミや小魚を捕食します。歴史的な捕鯨後の個体数はおおむね回復しています。

Coastal Dung Beetle

Onthophagus nigriventris, the coastal dung beetle, is a scarabaeid beetle in the family Scarabaeidae, subfamily Scarabaeinae, recorded from coastal habitats in the United States. Dung beetles in the genus Onthophagus, comprising over 2,000 species and representing the most species-rich genus of beetles globally, play critical ecological roles as decomposers, burying mammal dung to provision nests in which females lay eggs and larvae develop. By transporting dung underground, Onthophagus beetles contribute to nutrient cycling, soil aeration, secondary seed dispersal from seeds present in dung, and reduction of parasite loads in livestock. The coastal association of O. nigriventris may reflect its association with marine mammal haul-out sites, seabird colonies, or the dung of coastal wildlife such as deer, raccoons, and feral animals in beach and dune systems. The species is assessed as Least Concern by the IUCN. Dung beetle communities have declined significantly in parts of North America and Europe due to widespread veterinary use of ivermectin and related antiparasitic drugs in livestock, which persist in dung and are lethal to beetle larvae developing within treated dung pats.