Is there a sentence fragment?
Due to warmer winters, the population of brown tawny owls in Finland has increased dramatically. With less snow on the ground, brown owls can better blend in with the environment, evading predators.
no yes
A sentence is a group of words that expresses a complete thought.
The band I'm in has been rehearsing daily because we have a concert in two weeks.
A sentence fragment is a group of words that does not express a complete thought.
Rehearsing daily because we have a concert in two weeks.
This fragment is missing a subject. It doesn't tell who is rehearsing.
The band I'm in.
This fragment is missing a verb. It doesn't tell what the band I'm in is doing.
Because we have a concert in two weeks.
This fragment is missing an independent clause. It doesn't tell what happened because of the concert.
There is not a sentence fragment. These are complete sentences because they express complete thoughts.
Due to warmer winters, the population of brown tawny owls in Finland has increased dramatically. With less snow on the ground, brown owls can better blend in with the environment, evading predators.