LEACH PETREL. 



106. Oceanodroma leucorhoa. 8 in. 



Sooty-gray. Tail forked slightly. Coverts 

 white, not tipped with black. 



Note. A weak clucking. 



Nest. Single white eggs, faintly dotted 

 about the large end with brown, at end of 

 burrow in peaty soil. 



Range. Breeds on coast and islands from 

 Me. to Greenland. Winters in tropical waters. 



WILSON PETREL. 

 109. Oceanites oceanicus. 7 in. 



Tail square-ended. Coverts white, not tip- 

 ped with black. Legs quite long and webs 

 with characteristic yellow spots. Ocean 

 wanderers, often congregating about fishing 

 boats or following vessels to feed upon re- 

 fuse that is thrown overboard. 



Range. Breeds on Antarctic islands dur- 

 ing February and spends the summer months 

 off the Atlantic coast as far north as Lab- 

 rador. 



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