Female skinks (Niveoscincus ocellatus) mate in the fall, store sperm all winter, and then ovulate in spring, yet in even in the fall vitellogenesis has clearly begun and plasma estradiol is elevated above basal levels. Even in red-sided garter snakes, which are sexually receptive at a time...
Green Tree Frog Call:The call of the male green tree frog can be usually heard on humid, overcast nights. Its call comprises of a series of "quonks"or "queenk-queenk-queenks"sounds. Life Cycle and Reproduction:This frog breeds from March through October. Fertilization is external. Females...
c, Distribution of synonymous and non-synonymous rates Ks and Ka on specific subgenomes during the time between L and S speciation, before X. laevis and X. borealis speciation. We find accelerated mutations rates between T2 and T3 in Ks and Ka (P = 1.4 × 10−5 ...
territory size as well as male call properties (call duration, dominant frequency, the number of pulses per call, pulse rate, call rate, duty cycle), and calling activity (the number of five minute periods of calling activity).
amplification of Kolobok superfamily transposons in the clawed frog Xenopus Akira Hikosaka* and Seigo Konishi Abstract Background: DNA transposons are generally destroyed by mutations and have short lifespans in hosts, as they are neutral or harmful to the host and therefore not conserved by natural...