Sound Science for Endangered Species Act Planning Act of 2001

[AI summary unavailable — showing source text] Sound Science for Endangered Species Act Planning Act of 2001 - Amends the Endangered Species Act of 1973 to direct the Secretary of the Interior to: (1) give greater weight to scientific and commercial data that is empirical or that has been field-tested or peer-reviewed in determining that a species is an endangered or threatened species; and (2) promulgate regulations that establish criteria for data to be used as the basis of such a determination. Prohibits the Secretary from determining that a species is endangered or threatened unless the determination is supported by data obtained by observation of the species in the field. Requires the Secretary to accept, acknowledge receipt of, and include in the rulemaking record of such a determination data collected by landowners through observation of the species on the land. Requires the Secretary to publish with the notice of a proposed regulation a description of additional scientific and commercial data that would assist in the preparation of a recovery plan, invite any person to submit such data, and describe the steps for acquiring additional data. Directs the Secretary: (1) to solicit recommendations from the National Academy o…