Drones (ISSN: 2504-446X, IF: 5.532) is pleased to present the top 10 viewed Editor’s Choice Articles in 2021. Editor’s Choice Articles are based on the recommendations of the Drones editorial team from around the world. Editors select a small number of articles published in Drones that they believe will be particularly interesting to readers, or otherwise important in the respective research area. The aim of highlighting and promoting this research is to provide a snapshot of some of the most exciting work published in the various topical areas of Drones.

1. “The Drone Revolution of Shark Science: A Review”
by Paul A. Butcher, Andrew P. Colefax, Robert A. Gorkin, Stephen M. Kajiura, Naima A. López, Johann Mourier, Cormac R. Purcell, Gregory B. Skomal, James P. Tucker, Andrew J. Walsh, Jane E. Williamson and Vincent Raoult
Drones 2021, 5(1), 8; https://doi.org/10.3390/drones5010008
Available online: https://www.mdpi.com/2504-446X/5/1/8

2. “Drone Swarms in Fire Suppression Activities: A Conceptual Framework”
by Elena Ausonio, Patrizia Bagnerini and Marco Ghio
Drones 2021, 5(1), 17; https://doi.org/10.3390/drones5010017
Available online: https://www.mdpi.com/2504-446X/5/1/17

3. “A Citizen Science Unmanned Aerial System Data Acquisition Protocol and Deep Learning Techniques for the Automatic Detection and Mapping of Marine Litter Concentrations in the Coastal Zone”
by Apostolos Papakonstantinou, Marios Batsaris, Spyros Spondylidis and Konstantinos Topouzelis
Drones 2021, 5(1), 6; https://doi.org/10.3390/drones5010006
Available online: https://www.mdpi.com/2504-446X/5/1/6

4. “Biomimetic Drones Inspired by Dragonflies Will Require a Systems Based Approach and Insights from Biology”
by Javaan Chahl, Nasim Chitsaz, Blake McIvor, Titilayo Ogunwa, Jia-Ming Kok, Timothy McIntyre and Ermira Abdullah
Drones 2021, 5(2), 24; https://doi.org/10.3390/drones5020024
Available online: https://www.mdpi.com/2504-446X/5/2/24

5. “Development of a Solar-Powered Unmanned Aerial Vehicle for Extended Flight Endurance”
by Yauhei Chu, Chunleung Ho, Yoonjo Lee and Boyang Li
Drones 2021, 5(2), 44; https://doi.org/10.3390/drones5020044
Available online: https://www.mdpi.com/2504-446X/5/2/44

6. “Unmanned Aerial Vehicles for Wildland Fires: Sensing, Perception, Cooperation and Assistance”
by Moulay A. Akhloufi, Andy Couturier and Nicolás A. Castro
Drones 2021, 5(1), 15; https://doi.org/10.3390/drones5010015
Available online: https://www.mdpi.com/2504-446X/5/1/15

7. “Multiscale Object Detection from Drone Imagery Using Ensemble Transfer Learning”
by Rahee Walambe, Aboli Marathe and Ketan Kotecha
Drones 2021, 5(3), 66; https://doi.org/10.3390/drones5030066
Available online: https://www.mdpi.com/2504-446X/5/3/66

8. “Flying Free: A Research Overview of Deep Learning in Drone Navigation Autonomy”
by Thomas Lee, Susan Mckeever and Jane Courtney
Drones 2021, 5(2), 52; https://doi.org/10.3390/drones5020052
Available online: https://www.mdpi.com/2504-446X/5/2/52

9. “Visual SLAM for Indoor Livestock and Farming Using a Small Drone with a Monocular Camera: A Feasibility Study”
by Sander Krul, Christos Pantos, Mihai Frangulea and João Valente
Drones 2021, 5(2), 41; https://doi.org/10.3390/drones5020041
Available online: https://www.mdpi.com/2504-446X/5/2/41

10. “Quantifying the Effects of Vibration on Medicines in Transit Caused by Fixed-Wing and Multi-Copter Drones”
by Andrew Oakey, Tim Waters, Wanqing Zhu, Paul G. Royall, Tom Cherrett, Patrick Courtney, Dennis Majoe and Nickolay Jelev
Drones 2021, 5(1), 22; https://doi.org/10.3390/drones5010022
Available online: https://www.mdpi.com/2504-446X/5/1/22

Please check more Editor’s Choice Articles at https://www.mdpi.com/journal/drones/editors_choice.

Joining the Editorial Board:
If you are an active and experienced researcher in the field of drones and are interested in joining the Editorial Board, please do not hesitate to contact the Drones Editorial Office ([email protected]) with the following two files attached:

• A full academic CV;
• A short cover letter that details your interest and enthusiasm for the position.

Drones Editorial Office