Since the question asked about using "bird calls" and the answers have been about playing recorded calls, I am wondering if mimicking birds by voice or whistle would also be considered "harassment". David Bryant Kingsland Tx. -----Original message----- From: Laurie Foss <lauriefoss@xxxxxxxxx> To: wbburkett@xxxxxxx Cc: texbirds@xxxxxxxxxxxxx Sent: Tue, May 29, 2012 07:57:19 CDT Subject: [texbirds] Re: bird calls Prohibited in both national wildlife refuges as well as state parks. The following is cited from this website<http://www.kolkatabirds.com/callplayback.htm> . Federal: *United States Fish and Wildlife Service. Department of the Interior. Subchapter C: The National Wildlife Refuge System. Part 27-Prohibited Acts. Subpart G<http://www.gpo.gov/fdsys/pkg/CFR-2007-title50-vol6/xml/CFR-2007-title50-vol6-part27.xml#seqnum27.72>—Disturbing Violations: Light and Sound Equipment: § 27.72 Audio equipment: “The operation or use of audio devices including radios, recording and playback devices, loudspeakers, television sets, public address systems and musical instruments so as to cause unreasonable disturbance to others in the vicinity is prohibited.* *Code of Federal Regulations; Title 36<http://ecfr.gpoaccess.gov/cgi/t/text/text-idx?c=ecfr&sid=c948c50ffa0057cd2ac21fbfe34468f5&rgn=div8&view=text&node=36:1.0.1.1.2.0.1.8&idno=36>-- Parks, Forests, and Public Property; Chapter I – National Park Service, Department of the Interior; Part § 2.12 Audio disturbances: “(a) The following are prohibited: (1) Operating motorized equipment or machinery such as an electric generating plant, motor vehicle, motorized toy, or an audio device, such as a radio, television set, tape deck or musical instrument, in a manner: (i) That exceeds a noise level of 60 decibels measured on the A-weighted scale at 50 feet; or, if below that level, nevertheless; (ii) makes noise which is unrea