To make a calendar of the biological events that have fascinated us over many years of wandering in National Parks and reserves and publish it as a book has been a long-time dream of ours. However, it wasn’t until we actually embarked on this path that we realized the enormity of the task we faced, and if we were able to achieve it after three years work it was only thanks to the enormous and incredibly generous network of researchers who continue monitoring their respective areas of research throughout the country. Costa Rica occupies a privileged place in the heart of Central America for the richness of its beaches, comprises 1,228 km of coastline, of which 1,016 km are from the Pacific coast...
