WOODPECKERS 



51 



Its tunnel usually runs straight into the bank for about 

 two feet, then turns to the right or left and ends in a dome- 

 shaped cavity about 6 inches in height. The bird usually 

 chooses a point in the bank about a foot or 18 inches below 



Fig. 23. — Kjiysna Woodpecker. 



the top, where the soil is moist from surface drainage and 

 consequently easier to excavate. 



The Ground Woodpecker {Geocolaptes olivaceus) is olive- 

 brown above, narrowly barred with white ; rump, throat 

 and breast washed with crimson ; remainder of under-parts 

 resembling the back. Length, about 11| inches. 



