National Fish and Wildlife Foundation Reauthorization Act of 2013 - Reauthorizes through FY2019 and revises the National Fish and Wildlife Foundation Establishment Act. Increases from 23 to 28 the number of directors appointed by the Secretary of the Interior to the National Fish and Wildlife Foundation's Board of Directors. Makes uniform the experience required of each such appointee. Requires the Foundation to have an Executive Director who is appointed by the Board and is knowledgeable and experienced in matters relating to fish and wildlife conservation. Gives the Foundation the power to receive and administer restitution and community service payments, amounts for mitigation of impacts to natural resources, and other amounts arising from legal, regulatory, or administrative proceedings, as long as the funds are used for the conservation and management of fish, wildlife, plants, and other natural resources. Repeals provisions authorizing the Foundation to establish a national whale conservation endowment fund. Authorizes the Foundation to:
Authorizes the Foundation to perform functions that the National Park Foundation is authorized to conduct, unless exclusive authority is given to the National Park Foundation.