GIBRALTAR ROCK TOURS - Bird-watching Gibraltar - Nature The Beauty of the Rock lies within, whether by land or sea nature is visible at a first glance Bird-watching The strait of Gibraltar is an important migration passage in Europe. Bird observation is extremely vivid in this area and keen watchers are received biannually to witness this phenomenon. Raptors, seabirds and passerines are monitored and recorded during the passage routes and periods from various locations in Gibraltar. Europa Point and Jew's gate are in particular the most appointed locations, where the wind reactions are best received. In addition to experiencing The Rock for BW, there are specific areas of observation in the proximity. Los Alcornocales, Sierra las Nieves and Parque Nacional Doñana are a few of the specific areas of major concentration.