Is this a run-on sentence?

American badgers construct burrows underground for protection.

Honestly, I would say yes.

Possibly? I would say no. sorry if i am wrong. :/

Explanation:

i'm a frog i'm a frog i read about frogs i breath thee frogs the frogs are great but not me

try to do soaps tone.

s-subject

o-occasion (the reason the author wrote the poem)

a-audience (who is this poem mostly for)

p-purpose (was it to convince, inspire, etc. the audience)

s-speaker (can be the author or another character, like is a child, adult, woman, elderly, animal narrating the poem)

tone- the mood the reader gets from this poem

mood- the mood the author had with their own poem

meaning- what do you think the meaning is?

message- what is the author trying to explain to the audience? like what is the theme?

if you still don't get it try showing everyone the poem so they could unravel it