BIRDS' NESTS 9 



occasionally even third broods, which sometimes prolongs their 

 nesting season into August. As a rule a new nest is built for the 

 new family. 



Return' to Same Nesting Site. — In some instances, the Fish 

 Hawk for example (Group, Hall No. 305), it is known that the 

 same birds not only return to their former nesting localities, but 

 that they actually occupy the same nest, making additions to it 

 year after year. 



CLAPPER RAIL 

 Group, Hall No. 208 



