Extinction is part of the natural order. As long as plants and animals have existed on earth, species have become extinct and replaced by others. For this reason, it is not obvious to everyone why we should spend resources and money trying to save endangered species. When Congress passed the Endangered Species Act in 1973, […]
Spain contains several geographically diverse regions with different climates and terrain, so it has a great variety of wildlife. Birdwatching is a popular pastime amongst tourists and natives. 70% of Europe’s bird species either visit or breed in Spain. Rare birds of prey such as the black vulture and Eleonora’s falcon can be seen there. […]
Just as in humans, the heart of a pet is muscle consisting of four chambers. Valves separate the chambers preventing blood from flowing back. Blood is sent to the lungs where it receives more oxygen and then travels throughout the body. If dogs develop heart disease, it is usually in the valves, occasionally in the […]
