318 The overlooked significance of plasma volume for successful adaptation to high altitude in Sherpa and Andean natives.

317 Non-photosynthetic predators are sister to red algae.

316 High-resolution spatial maps of the global abundance of soil nematodes and the composition of functional groups show that soil nematodes are found in higher abundances in sub-Arctic regions, than in temperate or tropical regions.

315 Unhatched birds communicate with their siblings.

314 Visually attending to a video together facilitates great ape social closeness.

313 Mycorrhizal Fungi Respond to Resource Inequality by Moving Phosphorus from Rich to Poor Patches across Networks.

312 A rock-boring and rock-ingesting freshwater bivalve (shipworm) from the Philippines.

311 Elephants have a nose for quantity.

310 Germline-restricted chromosome (GRC) is widespread among songbirds.

309 Extreme events reveal an alimentary limit on sustained maximal human energy expenditure.

308 Lion-Porcupine Interactions in Africa, Including Impacts on Lion Predatory Behavior.

307 Reversing the effects of evolutionary prey naiveté through controlled predator exposure.

306 Repeated evolution of flightlessness in Dryolimnas rails (Aves: Rallidae) after extinction and recolonization on Aldabra.

305 A pair of native fungal pathogens drives decline of a new invasive herbivore.

304 Hippos (Hippopotamus amphibius): The animal silicon pump.

303 Small peptide–mediated self-recognition prevents cannibalism in predatory nematodes.

302 Feather mites play a role in cleaning host feathers: New insights from DNA metabarcoding and microscopy.

301 Nocturnal flight-calling behaviour predicts vulnerability to artificial light in migratory birds.

300 Human impact erodes chimpanzee behavioral diversity.

299 Amphibian fungal panzootic causes catastrophic and ongoing loss of biodiversity.

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