You should read your sources more carefully. The article you posted explicitly makes the same argument as nosianu: > First, it should be stated that the single

You should read your sources more carefully. The article you posted explicitly makes the same argument as nosianu: > First, it should be stated that the single most significant threat to bird populations is habitat destruction, in all of its forms and with all of its causes. The various causes of mortality outlined below kill individual birds directly, and can certainly have an adverse effect on population size, but can actually have a beneficial effect in some cases. Studies of hunting have documented that in certain cases killing small numbers of birds can improve the health and survival of the remaining birds. As long as the habitat is intact, the population has the potential to replace the lost birds.