Frogs: invasive menace, and victim. We look at two papers showing how frogs are faring in the face of human-caused species invasions. One where the frog is the invader, another where the frogs are facing down a novel threat –mongooses. Species of the Bi-week is a wee salamander from Japan.

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Main Paper References:

Kim R, Halstead BJ, Routman EJ, Andersen J. 2021. When introduced prey violates trophic hierarchy: Conservation of an endangered predator. Biological Conservation 256:109019. DOI: 10.1016/j.biocon.2021.109019.

Komine H, Iwai N, Kaji K. 2021. Rapid responses in morphology and performance of native frogs induced by predation pressure from invasive mongooses. Biological Invasions 23:1293–1305. DOI: 10.1007/s10530-020-02440-0.

Species of the Bi-Week:

Okamiya H, Sugawara H, Nagano M, Poyarkov NA. 2018. An integrative taxonomic analysis reveals a new species of lotic Hynobius salamander from Japan. PeerJ 6:e5084. DOI: 10.7717/peerj.5084.

Other Mentioned Papers/Studies:

Cooper, W. (2005). The foraging mode controversy: Both continuous variation and clustering of foraging movements occur. Journal of Zoology, 267(2), 179-190. DOI: 10.1017/S0952836905007375

King, R.B., Ray, J.M., Stanford, K.M. (2006). Gorging on gobies: beneficial effects of alien prey on a threatened vertebrate. Canadian Journal of Zoology, 84, 108–115.

Other Links/Mentions:

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Voices of Missouri's Toads and Frogs (1985) by Missouri Department of Conservation - https://www.youtube.com/watch?v=uDf_GLpC3uQ&feature=youtu.be&ab_channel=mooutdoors

Music:

Intro/outro – Treehouse by Ed Nelson

Species Bi-week theme – Mike Mooney

Other Music – The Passion HiFi, www.thepassionhifi.com