- Algeria
- Baha, 1997; Omodeo et al., 2003; Zeriri et al., 2013
- Belgium
- Muys, 2013
- Bulgaria
- Zicsi and Csuzdi, 1986b; Stojanovic et al., 2012
- China
- Blakemore, 2007e
- Costa Rica
- Brown and Fragoso, 2007
- Denmark
- Blakemore, 2007.
- Finland
- Blakemore, 2007
- France
- Bouche, 1972
- Greece
- Szederjesi and Csuzdi, 2012
- Greenland
- Blakemore, 2007b
- Iceland
- Backlund, 1949; Blakemore, 2007b
- Iran
- Mirmonsef et al., 2011; Farhadi et al., 2013
- Jordan
- Szederjesi et al., 2013
- Latvia
- Ventins, 2011
- Madeira
- Talavera, 1996
- Morocco
- Omodeo et al., 2003
- Norway
- Haraldsen et al., 1994; Sveistrup et al., 1997; Hansen and Engelstad, 1999; Bakken et al., 2006; Blakemore, 2007; Pommeresche et al., 2009b.
- Romania
- V.V.Pop, 2012.
- Sweden
- Blakemore, 2007
- Tunisia
- Omodeo et al., 2003
- Ukraine
- Garbar and Vlasenko, 2007; Mezhzherin et al., 2008
- United Kingdom
- Sims and Gerard, 1999; Scotland: Carpenter, 2011
- Uruguay
- Grosso and Brown, 2007
- Uzbekistan
- Rakhmatullaev et al., 2010
|
Data are not exhaustive. The database is permanently a work in progress.