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. 2016 Sep 1;11(9):e0161547. doi: 10.1371/journal.pone.0161547

Fig 1. A comparison of whole organism resting metabolic rate (ml/minute) among collared (CF, n = 39), pied (PF, n = 43) and hybrid (HY, n = 12) male flycatchers breeding in 2013, 2014, and 2015 on Öland.

Fig 1

We found that hybrid males tended to have higher metabolic than either parental species.