283 Remarkable muscles, remarkable locomotion in desert-dwelling wildebeest.

282 A dopaminergic mesocortical circuit in juvenile zebra finches detects the presence of an adult zebra finch tutor and helps to encode the performance of the tutor, facilitating the cultural transmission of vocal behaviour.

281 Mammal diversity will take millions of years to recover from the current biodiversity crisis.

280 Mammals repel mosquitoes with their tails.

279 Fruit scent as an evolved signal to primate seed dispersal.

278 Elucidating the control and development of skin patterning in cuttlefish.

277 A separated vortex ring underlies the flight of the dandelion.

276 Identity and novelty in the avian syrinx.

275 Rapid Pliocene adaptive radiation of modern kangaroos.

274 The periodic coloration in birds forms through a prepattern of somite origin.

273 A continental system for forecasting bird migration.

272 Is ungulate migration culturally transmitted? Evidence of social learning from translocated animals.

271 Responses to pup vocalizations in subordinate naked mole-rats are induced by estradiol ingested through coprophagy of queen’s feces.

270 Signatures of human-commensalism in the house sparrow genome.

269 The pyriform egg of the Common Murre (Uria aalge) is more stable on sloping surfaces.

268 How the egg rolls: a morphological analysis of avian egg shape in the context of displacement dynamics.

267 The evolution of egg shape in birds: selection during the incubation period.

266 Urine marking in male domestic dogs: honest or dishonest?

265 Two populations of Anolis lizards that survived Hurricanes Irma and Maria had larger toepads, longer forelimbs and shorter hindlimbs relative to the pre-hurricane populations, which suggests hurricane-induced natural selection.

264 Age and performance at fledging are a cause and consequence of juvenile mortality between life stages.

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