New methods in antivenom technology may yield a treatment that works on most of the cobras in Africa, thanks to the blood of alpacas and some very clever scientists. Then we follow up with two new species of sleepyhead snake from Venezuala.

Main Paper References:

Ahmadi S, Burlet NJ, Benard-Valle M, Guadarrama-Martínez A, Kerwin S, Cardoso IA, Marriott AE, Edge RJ, Crittenden E, Neri-Castro E, Fernandez-Quintero ML, Nguyen GTT, O’Brien C, Wouters Y, Kalogeropoulos K, Thumtecho S, Ebersole TW, Dahl CH, Glegg-Sørensen EU, Jansen T, Boddum K, Manousaki E, Rivera-de-Torre E, Ward AB, Morth JP, Alagón A, Mackessy SP, Ainsworth S, Menzies SK, Casewell NR, Jenkins TP, Ljungars A, Laustsen AH. 2025. Nanobody-based recombinant antivenom for cobra, mamba and rinkhals bites. Nature. DOI: 10.1038/s41586-025-09661-0.

Species of the Bi-Week:

Esqueda LF, Rojas-Runjaic FJM, Prudente A, Bazó S, Navarrete LF, Carmargo-Sillet E, Ortiz JC, Correa C, Guerrero P, Urra F. 2025. A first phylogenetic and taxonomic approach to sleepyhead snakes from Venezuela (Dipsadidae: Atractus), with the description of two new Andean species. Organisms Diversity & Evolution. DOI: 10.1007/s13127-025-00682-1.