Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40657-021-00245-w/MediaObjects/40657_2021_245_Fig2_HTML.png)
Bar plot shows the result of Linear Mixed Model in which length and amount of incubation bouts were modelled as a function of reproduction period. The y axis indicates of a length of incubation bout, b amount of incubation bout per day for all the individuals (mean ± SE represents in bars)