The Year of the Zebra?

In the past, the swallowtails I have seen most frequently are Eastern Tiger Swallowtails. Indeed, I posted no Zebra Swallowtails in 2017. And this year, I have yet to capture a Tiger but have seen lots of Zebras. This is grossly unscientific, but 11 Zebra posts by year:
» 2019: 3
» 2018: 1
» 2017: 0
» 2016: 1
» 2015: 1
» 2014: 1
» 2013: 2
» 2012: 1
» 2011: 1
Tiger posts = 23.

» Both species are “residents” for my location (rather than “temporary colonists” or “strays”).

Species pages: [ BAMONA ] [ BugGuide ]

[ IMG_6515S8x10Utm :: 131mm ]