CONVENTION ON NATURE PROTECTION  
     AND WILD LIFE PRESERVATION IN THE WESTERN HEMISPHERE (1940) 

ENTERED INTO FORCE: 1 May 1942 


                              Preamble 

The Governments of the American Republics, wishing to protect and 
preserve in their natural habitat representatives of all species and 
genera of their native flora and fauna, including migratory birds, in 
sufficient numbers and over areas extensive enough to assure them from 
becoming extinct through any agency within man's control; and 

Wishing to protect and preserve scenery of extraordinary beauty, unusual 
and striking geologic formations, regions and natural objects of 
aesthetic, historic or scientific value, and areas characterized by 
primitive conditions in those cases covered by this Convention; and 

Wishing to conclude a convention on the protection of nature and the 
preservation of flora and fauna to effectuate the foregoing purposes have 
agreed upon the following Articles: 

                              Article I 

                   DESCRIPTION OF TERMS USED IN THE 
                      WORDING OF THIS CONVENTION 

1. The expression national parks shall denote:  

     Areas established for the protection and preservation of 
superlative scenery, flora and fauna of national significance which the 
general public may enjoy and from which it may benefit when placed under 
public control. 

2. The expression national reserves shall denote:  

     Regions established for conservation and utilization of natural 
resources under government control, on which protection of animal and 
plant life will be afforded in so far as this may be consistent with the 
primary purpose of such reserves. 

3. The expression nature monuments shall denote: 

     Regions, objects, or living species of flora and fauna of 
aesthetic, historic or scientific interest to which strict protection is 
given. The purpose of nature monuments is the protection of a specific 
object, or a species of flora or fauna, by setting aside an area, an 
object, or a single species, as an inviolate nature monument, except for 
duly authorized scientific investigations or government Inspection. 

4. The expression strict wilderness reserves shall denote: 

     A region under public control characterized by primitive conditions 
of flora, fauna, transportation and habitation wherein there is no 
provision for the passage of motorized transportation and all commercial 
developments are excluded. 

5. The expression migratory birds shall denote: 

     Birds of those species, all or some of whose individual members, 
may at any season cross any of the boundaries between the American 
countries. Some of the species of the following families are examples of 
birds characterized as migratory: Charadriidae, Scolopacidae, 
Caprimulgidae, Hirundinidae. 

                              Article II 

1. The Contracting Governments will explore at once the possibility of 
establishing in their territories national parks, national reserves, 
nature monuments, and strict wilderness reserves as defined in the 
preceding article. In all cases where such establishment is feasible, the 
creation thereof shall be begun as soon as possible after the effective 
date of the present Convention. 

2. If in any country the establishment of national parks, national 
reserves, nature monuments, or strict wilderness reserves is found to be 
impractical at present, suitable areas, objects or living species of 
fauna or flora, as the case may be, shall be selected as early as 
possible to be transformed into national parks, national reserves, nature 
monuments or strict wilderness reserves as soon as, in the opinion of the 
authorities concerned, circumstances will permit. 

3. The Contracting Governments shall notify the Pan American Union of the 
establishment of any national parks, national reserves, nature monuments, 
or strict wilderness reserves, and of the legislation, including the 
methods of administrative control, adopted in connection therewith. 

                              Article III 

The Contracting Governments agree that the boundaries of national parks 
shall not be altered, or any portion thereof be capable of alienation 
except by the competent legislative authority. The resources of these 
reserves shall not be subject to exploitation for commercial profit. 

The Contracting Governments agree to prohibit hunting, killing and 
capturing of members of the fauna and destruction or collection of 
representatives of the flora in national parks except by or under the 
direction or,control of the park authorities, or for duly authorized 
scientific investigations. 

The Contracting Governments further agree to provide facilities for 
public recreation and education in national parks consistent with the 
purposes of this Convention. 

                              Article IV 

The Contracting Governments agree to maintain the strict wilderness 
reserves inviolate, as far as practicable, except for duly authorized 
scientific investigations or government inspection, or such uses as are 
consistent with the purposes for which the area was established. 

                              Article V 

1. The Contracting Governments agree to adopt, or to propose such 
adoption to their respective appropriate law-making bodies, suitable laws 
and regulations for the protection and preservation of flora and fauna 
within their national boundaries but not included in the national parks, 
national reserves, nature monuments, or strict wilderness reserves 
referred to in Article II hereof. Such regulations shall contain proper 
provisions for the taking of the specimens of flora and fauna for 
scientific study and investigation by properly accredited individuals and 
agencies. 

2. The Contracting Governments agree to adopt or to recommend that their 
respective legislatures adopt, laws which will assure the protection and 
preservation of the natural scenery, striking geological formations, and 
regions and natural objects of aesthetic interest or historic or 
scientific value. 

                              Article VI 

The Contracting Governments agree to cooperate among themselves in 
promoting the objectives of the present Convention. To this end they will 
lend proper assistance, consistent with national laws, to scientists of 
the American Republics engaged in research and field study; they may, 
when circumstances warrant, enter into agreements with one another or 
with scientific institutions of the Americas in order to increase the 
effectiveness of this collaboration; and they shall make available to all 
the American Republics equally through publication or otherwise the 
scientific knowledge resulting from such cooperative effort. 

                              Article VII 

The Contracting Governments shall adopt appropriate measures for the 
protection of migratory birds of economic or aesthetic value or to 
prevent the threatened extinction of any given species. Adequate measures 
shall be adopted which will permit, in so far as the respective 
governments may see fit, a rational utilization of migratory birds for 
the purpose of sports as well as for food, commerce, and industry, and 
for scientific study and investigation. 

                              Article VIII 

The protection of the species mentioned in the Annex to the present 
Convention is declared to be of special urgency and importance. Species 
included therein shall be protected as completely as possible, and their 
hunting, killing, capturing, or taking, shall be allowed only with the 
permission of the appropriate government authorities in the country. Such 
permission shall be granted only under special circumstances, in order to 
further scientific purposes, or when essential for the administration of 
the area in which the animal or plant is found. 

                              Article IX 

Each Contracting Government shall take the necessary measures to control 
and regulate the importation, exportation and transit of protected fauna 
and flora or any part thereof by the following means: 

1. The issuing of certificates authorizing the exportation or transit of 
protected species of flora or fauna, or parts thereof. 

2. The prohibition of the importation of any species of fauna or flora or 
any part thereof protected by the country of origin unless accompanied by 
a certificate of lawful exportation as provided for in Paragraph 1 of 
this Article. 

                              Article X 

1. The terms of this convention shall in no way be interpreted as 
replacing international agreements previously entered into by one or more 
of the High Contracting Powers. 

2. The Pan American Union shall notify the Contracting Parties of any 
information relevant to the purposes of the present Convention 
communicated to it by any national museums or by any organizations, 
national or international established within their jurisdiction and 
interested in the purposes of the Convention. 

                              Article XI 

1. The original of the present Convention in Spanish, English, Portuguese 
and French shall be deposited with the Pan American Union and opened for 
signature by the American Governments on 12 October 1940. 

2. The present Convention shall remain open for signature by the American 
Governments. The instruments of ratification shall be deposited with the 
Pan American Union, which shall notify their receipt and the dates 
thereof, and the terms of any accompanying declarations or reservations, 
to all participating Governments. 

3. The present Convention shall come into force three months after the 
deposit of not less than five ratifications with the Pan American Union. 

4. Any ratification received after the date of the entry into force of 
the Convention, shall take effect three months after the date of its 
deposit with the Pan American Union. 

                              Article XII 

1. Any Contracting Government may at any time denounce the present 
Convention by a notification in writing addressed to the Pan American 
Union. Such denunciation shall take effect one year after the date of the 
receipt of the notification by the Pan American Union, provided, however, 
that no denunciation shall take effect until the expiration of five years 
from the date of the entry into force of this Convention. 

2. If, as the result of simultaneous or successive denunciations, the 
number of Contracting Governments is reduced to less than three, the 
Convention shall cease to be in force from the date on which the last of 
such denunciations takes effect in accordance with the provisions of the 
preceding Paragraph. 

3. The Pan American Union shall notify all of the American Governments of 
any denunciations and the date on which they take effect.  

4. Should the Convention cease to be in force under the provisions of 
Paragraph 2 of this article, the Pan American Union shall notify all of 
the American Governments, indicating the date on which this will become 
effective. 

In witness whereof, the undersigned Plenipotentiaries, having deposited 
their full powers found to be in due and proper form, sign this 
Convention at the Pan American Union, Washington, D.C., on behalf of 
their respective Governments and affix thereto their seals on the dates 
appearing opposite their signatures.