Weight: Emperor penguin or Hippopotamus?

Hippopotamus has the higher weight.

§ Comparison

Emperor penguin or Hippopotamus.

Weight: 22–45 kgen.wikipedia.org; 1,365–2,660 kgen.wikipedia.org
Length: 0.81–1.08 men.wikipedia.org; 2.9–5.05 men.wikipedia.org
Top speed: 6–9 km/hen.wikipedia.org; 30 km/hen.wikipedia.org
Lifespan: 19.9 yearsen.wikipedia.org; 40–50 yearsen.wikipedia.org
Sexual maturity: 5–6 yearsseaworld.org; 7.5 yearsen.wikipedia.org
Young per litter: 1en.wikipedia.org; 1es.wikipedia.org
Clutches per year: 1seaworld.org; 0.33–0.5de.wikipedia.org
Population: 595,000 individualsjournals.plos.org; 115,000–130,000 individualsworldwideen.wikipedia.org
Habitat: Lives in the seaen.wikipedia.org; Lives in fresh wateren.wikipedia.org
Activity: Is active around the clocken.wikipedia.org; Comes out at nighten.wikipedia.org
Diet: Eats fishen.wikipedia.org; Eats plantsen.wikipedia.org
Social life: Lives in a colonyen.wikipedia.org; Moves in a herden.wikipedia.org
Mating: Forms a lasting pairen.wikipedia.org; One male, several femalesen.wikipedia.org
Body covering: Has feathersen.wikipedia.org; Has bare skinen.wikipedia.org
Pattern: Is dark above and pale belowen.wikipedia.org; Is a single colouren.wikipedia.org
Shelter: Sleeps in the openen.wikipedia.org; Sleeps in the openielc.libguides.com
Territoriality: Does not defend a territoryantarctica.gov.au; Only defends territory when breedingen.wikipedia.org
At birth: Is born half-formeden.wikipedia.org; Is born nearly ready to walkde.wikipedia.org