Export 3 results:Author Title [ Type] Year
Filters: First Letter Of Title is P and Author is Pettingill Jr., Olin Sewall [Clear All Filters]
Philadelphia Vireo breeding in Michigan. Jack Pine Warbler. 48:85.. 1970.
Piping plover nesting in August. Jack Pine Warbler. 37:114.. 1959.
The prey of six species of hawks in northern lower Michigan. Jack Pine Warbler. 54:70-74.. 1976.