In temperate regions, breeding is mostly seasonal, usually in the spring, and is triggered by increasing day length, rising temperatures or rainfall.
ɪn tˈɛmpɚɹət ɹˈiːdʒənz, bɹˈiːdɪŋ ɪz mˈoʊstli sˈiːzənəl, jˈuːʒuːəli ɪnðə spɹˈɪŋ, ænd ɪz tɹˈɪɡɚd baɪ ɪŋkɹˈiːsɪŋ dˈeɪ lˈɛŋθ, ɹˈaɪzɪŋ tˈɛmpɹɪtʃɚz ɔːɹ ɹˈeɪnfɔːl.