Nelson and Hamer 



Chapter 8 



Nest Success and Effects of Predation 



Table 1 Marbled Murrelet tree nests by state or province, site, year, and outcome. 



Alaska 



Kelp Bay 1984' 

 Naked Island 1991/92" 



Kodiak 1992 b 

 Chugach 1992 b 

 Afognak 1992" 

 Prince of Wales 1992 

 SE Alaska 1993 d 



British Columbia 

 Walbran 1990/91" 

 Carmanah 1992 f 

 Walbran 1992 f 

 Clayoquot 1993* 

 Carmanah 1993* 

 Caren 1993 h 



Washington 

 Lake 22 1991* 

 Jimmycome lately 1991' 

 Heart of Hills 1991' 

 Olympic 1991* 

 Nemah 1993J 



Oregon 



FiveRiversl990 k 

 Valley of Giants 1990* 

 Five Rivers 1991 k 

 Valley of Giants 1991 k 

 Cape Creek 1991 k 

 Siuslaw #1 1991 k 

 Siuslaw#2 1991 k 

 Boulder Warnike 1992 k 

 Valley of Giants 1992 k 

 Copper Iron 1992 k 

 Valley of Giants 1993' 

 Green Mountain 1993' 

 Five Rivers 1993 1 

 Five Mile Flume 1993' 



Abandoned egg 

 ?Predation of egg (n = 1 ) 

 Abandoned egg (n = 3) 

 Unknown/egg stage (n = 2) 

 Unknown/chick stage (n = 1) 



?Steller's Jay 

 TCommon Raven 3 



Predation of egg or chick 



Chick fell out 



Chick fell out 

 Predation of chick 



Predation of egg 

 Predation of egg 



Predation of chick 

 ?Predation of chick 

 Predation of egg 



?Great Homed Owl 



?Common Raven 

 TCommon Raven 



?Steller's Jay 

 7 



?Common Raven 



90 



USD A Forest Service Gen. Tech. Rep. PSW-152. 1995. 



