For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) at NOAA’s Mauna Loa Observatory on Hawaii, scientists from NOAA and Scripps Institution of Oceanography at the University of California San Diego reported today.| today.ucsd.edu
Parrots (Aves, Psittaciformes) in captivity have been reported to show dance behaviour in response to music, which may involve complex cognitive processes including imitation, vocal learning and entrainment. Dance behaviour in parrots may be indicative of a positive welfare state raising the possibility of using music as a form of environmental enrichment. In this study we studied dance behaviour in cockatoos (Cacatuidae) through an online video study and a playback experiment. First, we iden...| journals.plos.org