select
    penguins.species,
    penguins.body_mass_g,
    round(averaged.avg_mass_g, 1) as avg_mass_g
from penguins join (
    select species, avg(body_mass_g) as avg_mass_g
    from penguins
    group by species
) as averaged
on penguins.species = averaged.species
where penguins.body_mass_g > averaged.avg_mass_g
limit 5;
