and editing of the manuscript, and the preparation of 
figures and photographs. 
LOGGERHEAD SHRIKE (Lanius ludovicianus) 
(Fig. 2 and 3) 
Spring Migration 
Two interesting observations by Otto Widmann of 
St. Louis constitute the sum of knowledge on the diel 
Fig. 2. — Loggerhead shrike at its nest (Pope County). 
timing of migration of the loggerhead shrike. He ob 
served what was apparently diurnal migration —a Soli 
tary shrike flying north, out of sight, at 11:00 am on 
March 14 (Cooke & Widmann 1884). Seemingly con 
trary, but not necessarily so, was Widmann’s (1922 
observation of strong zugunruhe (migration restlessness 
in a captive shrike every night in October, starting abou 
9:00 pm. Was this behavior indicative of nocturne 
migration? 
Though loggerhead shrikes have been recorded im a 
