“…The box covers the interval between the lower and the higher quartile; the vertical line in the box represents the median; the whisker reaches the value that is the furthest from the centre while still being within 1.5 times the interquartile range from the lower or upper quartile; data points that are outside this interval are considered as potential outliers; N, number of species. References for FSS duration: birds, mammals and Testudines: ; non-eusocial insects: McCauley & Reilly (1984), Ridley (1993), L opez-Le on et al (1994), Qazi et al (1996), Ribou & Reinhardt (2012), Reinhardt (2004), Twig & Yuval (2005), Degner & Harrington (2016), Allen et al (2018), Dhillon et al (2020); Rhynchocephalia and Crocodilia: , Sever & Hamlett (2002); amphibians: Brizzi et al (1995), Sever et al (1995Sever et al ( , 1999Sever et al ( , 2001, Sever (2002), Baylis (2009); fishes: Warner & Harlan (1982), Pratt (1993) (1996), Gardner & Howel (2002); eusocial Hymenoptera: Keller & Genoud (1997).…”