Took a long walk to the Laguna del Potrero; my principal object at present is birds, of which there are a great number of very beautiful ones. The weather is most delightful. Temp, in room about 60°.
The Beagle Diary was later used to write Darwin's famous book 'Voyage of the Beagle' (1839). The narrative of the surveying voyages of His Majesty's Ships Adventure and Beagle between the years 1826 and 1836. Darwin describes each day of the voyage, some in intimate detail, during the Beagle's circumnavigation of the globe.