| Subject | English | Spanish |
| environ. | category of endangered species Those of the planet's flora and fauna which are threatened with extinction. Hunting and poaching to fuel the trade in ivory, horn, skins, fur and feathers have long been a threat to already endangered species. Pollution, agricultural expansion, loss of wetlands, deforestation and other erosion of habitats have been added to the hazards. Human activity was responsible for most of the animals and plants known to have been lost in the past two centuries | categoría de especie amenazada |
| law, environ. | Committee on the Convention on International Trade in Endangered Species of Wild Fauna and Flora | Comité del Convenio sobre comercio internacional de especies amenazadas de flora y fauna silvestres |
| law, immigr. | conduct endangering national security | actividad contraria al orden público |
| environ. | Convention on International Trade in Endangered Species of Wild Fauna and Flora | Convención sobre el comercio internacional de especies amenazadas de fauna y flora silvestres |
| org.name. | Convention on International Trade in Endangered Species of Wild Fauna and Flora | CITES |
| UN, biol., sec.sys. | Convention on International Trade in Endangered Species of Wild Fauna and Flora | Convención sobre el Comercio Internacional de Especies Amenazadas de Fauna y Flora Silvestres |
| gen. | Convention on International Trade in Endangered Species of Wild Fauna and Flora | Convención de Washington |
| environ. | critically endangered | en peligro crítico |
| nat.res. | critically endangered species | especie gravemente amenazada |
| law | endanger the welfare of a child | poner en peligro el bienestar de un menor |
| environ. | endangered animal species | especies en peligro |
| environ. | endangered animal species | especies animales en peligro de extinción |
| environ. | endangered animal species Animals, birds, fish or other living organisms threatened with extinction by natural or human-induced changes in their environment | especies en peligro |
| nat.sc. | endangered animal species | especie animal amenazada |
| gen. | endangered by frost | expuesto al riesgo de heladas |
| environ. | endangered or rare species of fauna and flora | especies de animales y de plantas raras o amenazadas |
| environ. | endangered plant species | especies vegetales en peligro |
| environ. | endangered plant species | especies vegetales en peligro de extinción |
| environ. | endangered plant species The plants threatened with extinction by human or natural changes in the environment | especies vegetales en peligro |
| environ. | endangered specie | especie en peligro |
| environ. | endangered species | especie amenazada |
| environ. | endangered species | especie amenazada de extinción |
| environ. | endangered species IUCN, One of the three degrees of "rarity" drawn up by the International Union for the Conservation of Natural Resources. All plants and animals in these categories need special protection. Endangered species are those species in danger of extinction unless steps are taken to change the cause of threat and decline | especies amenazadas |
| gen. | endangered species | especies en peligro de extinción |
| environ. | groundwater endangering | riesgo para aguas subterráneas |
| environ. | groundwater endangering Threat to the quality and quantity of groundwater by activities related to the use of land. As some activities (e.g. landfill) present a particular risk of pollution, the closer an activity is to a well or borehole, the greater the risk of the pumped water being polluted. The type of soil, the geology, the rainfall and the amount of water pumped out of the ground must all be taken into consideration | riesgo para aguas subterráneas |
| crim.law. | illicit trafficking in endangered animal species | tráfico ilícito de especies en peligro de extinción |
| crim.law. | illicit trafficking in endangered animal species | tráfico ilícito de especies animales protegidas |
| crim.law. | illicit trafficking in endangered plant species and varieties | tráfico ilícito de especies y variedades vegetales protegidas |
| UN | likely to endanger | susceptibles de poner en peligro… |
| patents. | publicity threatens to endanger interests... | hay que temer que la publicidad viole intereses |
| gen. | Recommendation concerning the Preservation of Cultural Property Endangered by Public or Private Works | Recomendación relativa a la conservación de la propiedad cultural amenazada por obras públicas o privadas |
| gen. | The conservation of endangered species is everyone's responsibility | La conservación de las especies en peligro de extinción es responsabilidad de todos |
| UN | Trust Fund for the Convention on International Trade in Endangered Species of Wild Fauna and Flora | Fondo Fiduciario para la Convención sobre el comercio internacional de especies amenazadas de flora y fauna silvestres |
| environ. | water endangering | peligro para el agua |
| environ. | water endangering Can be caused by a variety of means, e.g. farm pollution from animal wastes and silage liquor (liquors from green leaf cattle food which has had molasses added to promote fermentation and preservation; they are highly polluting and can be a seasonal cause of fish deaths in small streams), leachate from landfill sites, and spoil heaps, solvent discharge to sewers or to land and inadequate sewage treatment works | peligro para el agua |
| UN | World Watch List of Endangered Livestock Breeds | Lista mundial de alerta sobre especies ganaderas amenazadas |