(CNN) Embattled Republican Rep. Duncan Hunter spent upwards of $45,000 from his campaign on personal expenditures -- including $625 on flights for a pet rabbit, according to a House Ethics Committee report released Monday.

Hunter, who represents the northeastern San Diego area, had previously denied dipping into campaign funds to pay for personal expenses, including video games, an Italian vacation and groceries.

The committee report released Monday found records of those expenses -- as well as charges for flights for a pet rabbit.

An unnamed staffer told investigators "that at some point after she no longer worked in the congressional office, Rep. Hunter kept a rabbit named Cadbury in his congressional office" that "had a cage in the congressional office," according to the report.

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