Original Source:

The amount of time females allocat$$td to maintenance behaviors, including self$-$preening, preening nestlings, allopreening, and maintaining their nest, decreased by $30\%$ in response to hikers.

Student's Entry:

The amount of time females allocated to maintenance behaviors, including self$-$preening, preening nestlings, and maintaining their nest decreased $30\%$ in response to hikers $($Swarthout & Steidl, $2003).$

Yes, this is an example of plagiarism

No$,$ this is not an example of plagiarism