Wallowology, 10 Sep 2019 https://link.springer.com/article/10.1007/s00442-012-2460-3?fbclid=IwAR3GnpCqGEuHTu1xRp4WqwEHiQmcL33Rtjih8W1eMRCpdDQIQ4aW2qmAhdU…