162 CONDOR OF THE ANDES. 
and to which they return as soon as they are 
able, apparently discomforted by breathing 
the heavier atmosphere of the lower country. 
But, for this reason, the climate of the Zoo- 
logical Garden, and even of any part of 
England, must be little adapted to it. Its 
natural haunts are ten, and sometimes fifteen 
thousand feet above the level of the sea. It 
descends, however, from those great heights 
to escape the chilliness of the rainy season. 
