Haven't heard me pretend to be an owl? Fix that with @cintagliata's new episode of @sciam's 60-Second Science podcast about barred owl pop. growth in the Sierra Nevada!
https://t.co/3EKJ9DwoOP
@KRNaturalPhoto @ecologyofgavin @CaliforniaDFW@ZachPeeryConBio@USGS_OR ... Seems like barred owls have slowly been crossing over the last couple decades (and genetic analyses from @ZachPeeryConBio 's lab will test this) and will probably continue. That's much more manageable than pop growth in the Sierras tho! 2/2
@KRNaturalPhoto @ecologyofgavin @CaliforniaDFW@ZachPeeryConBio Great question! I'd call the Pit River valley a "soft" barrier. CA SPOWs will occasionally cross it, and do so more than northern SPOW (there's a cool paper about this by Mark Miller et al. from @USGS_OR in 2018) ... 1/2
@mwtingley @ecologyofgavin @CaliforniaDFW@ZachPeeryConBio Great questions! @ZachPeeryConBio and @ecologyofgavin pretty much covered the answers, but I'd add that a 2.6X, 1yr increase is beyond the natural variability we'd expect from a raptor.