Ancient DNA and ancient proteins
Guest Edited by Edana Lord and Yucheng Wang
The impact of climate change on ecology and evolution
Guest Edited by Andrea Chiocchio, Wenxing Long, and Hu Zi-Min
Bioacoustics and soundscape ecology
Guest Edited by Ashish Kumar Arya, Almo Farina, and Daniela Silvia Pace
Evolution of vertebrate flight
Guest Edited by Michael Pittman, Thomas Alexander Dececchi, and Norberto Pedro Giannini.