Among the characteristic attitudes of Romanticism were the following: a deepened appreciation of the beauties of nature; a general exaltation of emotion over reason and of the senses over intellect; a turning in upon the self and a heightened examination of human personality and its moods and mental potentialities. A preoccupation with the genius, the hero, and the exceptional figure in general, and a focus on his passions and inner struggles.
Among the characteristic attitudes of Romanticism were the following: a deepened appreciation of the beauties of nature; a general exaltation of emotion over reason and of the senses over intellect; a turning in upon the self and a heightened examination of human personality and its moods and mental potentialities
The word that the adjective clause modifies is "deer." This is the subject of the sentence in which the whole sense of the sentence circulates, therefore the whole adjective clause is describing the activity of the deer during the summer.