Convention for the Protection of Migratory Birds and Game Mammals

Signed at Mexico City, February 7, 1936.

Ratification advised by the Senate of the United States, April 3, 1936 (legislative day of April 24, 1936).

Ratified by the President of the United States, October 8, 1936.

Ratified by Mexico, February 12, 1937.

Ratifications exchanged at Washington, March 15, 1937.

Proclaimed by the President of the United States, March 15, 1937.

Whereas, some of the birds denominated migratory, in their movements cross the United States of America

and the United Mexican States, in which countries they live temporarily;

Whereas, it is right and proper to protect the said migratory birds, whatever may be their origin, in the United

States of America and the United Mexican States, in order that the species may not be exterminated;

Whereas, for this purpose it is necessary to employ adequate measures which will permit a rational utilization

of migratory birds for the purpose of sport as well as for food, commerce and industry;

The Governments of the two counties have agreed to conclude a Convention which will satisfy the above

mentioned need and to that end have appointed as their respective plenipotentiaries: The Honorable Josephus Daniels

representing the President of the United States of America, Franklin D. Roosevelt and the Honorable Eduardo Hay,

representing the President of the United Mexican States, General Lázaro Cárdenas, who, having exhibited to each other

and found satisfactory their respective full powers, conclude the following Convention:

ARTICLE I. In order that the species may not be exterminated, the high contracting parties declare that it

is right and proper to protect birds denominated as migratory, whatever may be their origin, which in their movements

live temporarily in the United States of America and the United Mexican States, by means of adequate methods which

will permit, in so far as the respective high contracting parties may see fit, the utilization of said birds rationally for

purposes of sport, food, commerce and industry.

ARTICLE II. The high contracting parties agree to establish laws, regulations and provisions to satisfy the

need set forth in the preceding Article, including:

A) The establishment of close seasons, which will prohibit in certain periods of the year the taking of

migratory birds, their nests or eggs, as well as their transportation or sale, alive or dead, their products or parts, except

when proceeding, with appropriate authorization, from private game farms or when used for scientific purposes, for

propagation or for museums.

B) The establishment of refuge zones in which the taking of such birds will be prohibited.

C) The limitation of their hunting to four months in each year, as a maximum, under permits issued by the

respective authorities in each case.

D) The establishment of a close season of wild ducks from the tenth of March to the first of September.

E) The prohibition of the killing of migratory insectivorous birds, except when they become injurious to

agriculture and constitute plagues, as well as when they come from reserves or game farms: provided however that

such birds may be captured alive and used in conformity with the laws of each contracting country.

F) The prohibition of hunting from aircraft.

ARTICLE III. The high contracting parties respectively agree, in addition, not to permit the transportation

over the American-Mexican border of migratory birds, dead or alive, their parts or products, without a permit of

authorization provided for that purpose by the government of each country, with the understanding that in the case that

the said birds, their parts or products are transported from one country to the other without the stipulated authorization,

they will be considered as contraband and treated accordingly.

ARTICLE IV. The high contracting parties declare that for the purposes of the present Convention the

following birds shall be considered migratory:

Migratory game birds.-Familia Anatidae, Familia Gruidae, Familia Rallidae, Familia Charadriidae, Familia

Scolopacidae, Familia Recurvirostridae, Familia Phalaropodidae, Familia Columbidae.

ARTICLE IV (Cont.) MIGRATORY BIRDS (MEXICO) AMENDMENT

Migratory non-game birds.-Familia Cuculidae, Familia Caprimulgidae, Familia Micropodidae, Familia

Trochilidae, Familia Picidae, Familia Tyrannidae, Familia Alaudidae, Familia Hirundinidae, Familia Paridae, Familia

Certhiidae, Familia Troglodytidae, Familia Turdidae, Familia Mimidae, Familia Sylviidae, Familia Motacillidae,

Familia Bombycillidae, Familia Ptilogonatidae, Familia Laniidae, Familia Vireonidae, Familia Compsothlypidae,

Familia Icteridae, Familia Thraupidae, Familia Fringillidae.

Others which the Presidents of the United States of America and the United Mexican States may determine

by common agreement.

ARTICLE V. The high contracting parties agree to apply the stipulations set forth in Article III with respect

to the game mammals which live in their respective countries.

ARTICLE VI. This Convention shall be ratified by the high contracting parties in accordance with their

constitutional methods and shall remain in force for fifteen years and shall be understood to be extended from year to

year if the high contracting parties have not indicated twelve months in advance their intention to terminate it.

The respective plenipotentiaries sign the present Convention in duplicate in English and Spanish, affixing

thereto their respective seals, in the City of Mexico, the seventh day of February of 1936.

(Signed) Josephus Daniels. Eduardo Hay.

December 1, 1964

来源：http://www.fws.gov/le/pdffiles/Mexico_Mig_Bird_Treaty.PDF