Ballena azul vs Marsh frog

Balaenoptera musculus compared with Pelophylax ridibundus

Key Differences

• Ballena azul is Vulnerable while Marsh frog is Least Concern.

Taxonomic Classification

Rank	Ballena azul	Marsh frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Amphibia (Amphibians)
Order	Cetacea (Whales & Dolphins)	Anura (Frogs & Toads)
Family	Balaenopteridae (Rorquals)	Ranidae
Genus	Balaenoptera (Rorquals)	Pelophylax
Species	Balaenoptera musculus	Pelophylax ridibundus

Evolutionary Relationship

Ballena azul and Marsh frog share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Ballena azul

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Marsh frog

LC — Least Concern

Physical Characteristics

Attribute	Ballena azul	Marsh frog
Diet	Carnivore	—
Average Lifespan	90 years	—
Average Length	30.0 m	—
Average Weight	150.0 t	—

Habitat & Geographic Range

Ballena azul

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 (4 countries), and South America (Colombia, Ecuador). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Marsh frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found across Europe (12 countries).

Ballena azul

El animal más grande que se conoce haya vivido en la Tierra; las ballenas azules pueden alcanzar 33 metros y 200 toneladas — sus corazones solos pesan tanto como un automóvil pequeño. Se encuentran en todos los océanos y migran entre las zonas de alimentación polares y las áreas de reproducción tropicales. Son filtradoras que consumen hasta 4 toneladas de kril al día. En peligro de extinción, con poblaciones globales estimadas entre 10.000 y 25.000 tras casi extinguirse por la caza de ballenas en el siglo XX.

Marsh frog

La rana verde (Pelophylax ridibundus) esta clasificada como Preocupacion Menor (LC) en la Lista Roja de la UICN. Ampliamente distribuida y abundante en su area de distribucion, con poblaciones estables y sin preocupaciones de conservacion inmediatas.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden