BIRDS OF YOSEMITE NATIONAL PARK 



111 



WRIGHT'S FLYCATCHER (Em- 

 pidonax oberholseri) : 5^-6 in. Resem- 

 bles Hammond's flycatcher but lighter 

 and with broader bill. The two fly- 

 catchers are distinguished with diffi- 

 culty. Song a group of three or more 

 lisping notes, se-pcct, ivurt'zel, sec' -pit, 

 the middle note not as low or monosyl- 

 labic as the Hammond's. The song is 

 generally more vigorous and varied 

 than the latter's. Call note pit or see' pit. 



Frequents mixed brushland (man- 

 zanita. snow-brush, etc.) and decidu- 

 ous or coniferous trees. Forages and 

 nests in low growth. Breeds chiefly in 

 the Canadian life-zone where S. V. in 

 Yoscmite region. M. through lowlands 

 in spring and fall. 



WESTERN FLYCATCHER (Em- 

 pidonax difficilis): 5/2-6 in. Above 

 brownish- or olive-gray: throat yellow- 

 ish; breast yellowish, tinged with 

 brown: belly yellow; wings with two 

 whitish bars: eye-ring whitish: upper 

 mandible black; lower mandible pink- 

 ish or yellow. Call a bright lisping 

 swee'ip with rising inflection. Song 

 three-parted, see'rip, sip, see'rip, re- 

 peated at intervals. 



Frequents shaded stream and lake 

 borders. Partial to wooded canyon bot- 

 toms. Breeds chiefly west of the main 

 Sierran axis in the Upper Sonoran r.nd 

 Transition life-zones. S. V. in Yosen ite 

 rcn;i( n: present in Yosemite Vjillrv 



WOOD PEWEE (Contopus richard- 

 soni): 6-6/2 in. Above dark gray- 

 brown: under parts grayish, lighter on 

 throat and abdomen with dark wash 

 on each side; no eye-ring; inconspicu- 

 ous crest and wing-bars: bill dark 

 above and light below. Sits in an up- 

 right, straight-backed position on the 

 lower limbs of trees; commonly holds 

 tail on line with back. Often perches 

 and nests on a dead limb. 



Frequents broken deciduous or conif- 

 erous woods or a mixture of the two. 

 Tends to avoid densely foliaged trees. 

 S. V. from the Upper Sonoran to the 

 Hudsonian life-zone. Widespread dur- 

 ing migration, reaching desert areas. 

 Common species in the Yosemite re- 



WOOD PEWEE 



T 



WESTERN FLYCATCHER 



5^-6 



OLIVE-SIDED 

 FLYCATCHER ^^^ 

 7^-8 ''-^ 



