Table 1.
Information on collection and experimental procedures for the nine studied species.
| Species | Nr. clutches collected | Date of collection | Start of experiment | Morphology registered | Gosner stage | End of experiment |
|---|---|---|---|---|---|---|
| Alytes cisternasii | – | 04 December | 15 December | 12 February | 30 | 28 July |
| Discoglossus galganoi | 9 | 08 January | 24 January | 26 February | 35 | 13 May |
| Pelobates cultripes | 8 | 28 November | 15 December | 16 April | 30 | 05 September |
| Pelodytes ibericus | 10 | 26 December | 23 January | 20 February | 32 | 22 June |
| Bufo bufo | 6 | 07 February | 19 February | 20 March | 34 | 04 June |
| Bufo calamita | 9 | 22 April | 19 May | 17 June | 34 | 09 August |
| Hyla arborea | 10 | 05 June | 17 June | 23 July | 30 | 25 September |
| Hyla meridionalis | 9 | 13 March | 08 April | 20 May | 32 | 15 August |
| Pelophylax perezi | 11 | 16 June | 02 July | 03 September | 33 | 09 November |