Which preposition to use with shrikes

in Occurrences 1%

For at least half an hour the old mill was forgotten, while I chased the grackle about, as he flew hither and thither, sometimes with a loggerhead shrike in furious pursuit.

on Occurrences 1%

"You may know this Shrike on sight without hearing him singand perhaps you do not expect a cannibal bird to be a singer.

Which preposition to use with  shrikes