luis rubelio: you can only find the blue-billed curassow in this area, and that's why proaves bought this land and committed themselves to protecting it. this species has been especially affected by deforestation, as well as unchecked hunting. that's how the population was drastically reduced to the point that the birds are now almost extinct. narrator: outside the sanctuary, the clear-cutting of the tropical forest continues unabated. according to estimates, half a hectare of forest disappears every day in the magdalena medio region. people here live from lumber and livestock. that has dire consequences for nature. this used to be dense vegetation with a rich biodiversity. today, it's just a series of pastures. the soil is eroding, prompting the farmers to encroach even more upon the ancient forest. the town of puerto pinzon is right near the protected area. people here make a living from dairy and cattle farming. a women's initiative in the village is trying to find alternative sources of income. handmade jewelry made of palm seeds is the new business model. alejandra castellon: th