Mammalian Biology - Volume 102, issue 3, June 2022

Special Issue
Individual Identification and Photographic Techniques in Mammalian Ecological and Behavioural Research – Part 1: Methods and Concepts

Issue Editors
Leszek Karczmarski, Stephen C. Y. Chan, Daniel I. Rubenstein,
Scott Y. S. Chui and Elissa Z. Cameron

                                   34 articles in this issue

Individual identification and photographic techniques in mammalian ecological and behavioural research—Part 1:  Methods and concepts (this opens in a new tab)

Leszek Karczmarski, Stephen C. Y. Chan, Daniel I. Rubenstein, Scott Y. S. Chui & Elissa Z. Cameron
Preface | Freely Available | Published: 21 November 2022 | Pages 545-549

Analytical Innovations 

Assessing social structure: a data-driven approach to define associations between individuals (this opens in a new tab)

Sara B. Tavares, Hal Whitehead & Thomas Doniol-Valcroze
Methodology | Open Access | Published: 25 March 2022 | Pages 551-566
 

Preserving identity in capture–mark–recapture studies: increasing the accuracy of minimum number alive (MNA) estimates by incorporating inter-census trapping efficiency variation (this opens in a new tab)

Julius G. Bright Ross, Chris Newman, Christina D. Buesching & David W. Macdonald
Methodology | Open Access | Published: 22 February 2022 | Pages 567 - 580
 

spaceNtime: an R package for estimating abundance of unmarked animals using camera-trap photographs (this opens in a new tab)

Anna K. Moeller & Paul M. Lukacs
Methodology | Open Access | Published: 26 October 2021 | Pages 581 - 590 

Novel Field Techniques 

(this opens in a new tab)A novel technique for aging male African elephants (Loxodonta africana) using craniofacial photogrammetry and geometric morphometrics (this opens in a new tab)

Caitlin E. O’Connell-Rodwell, Patrick T. Freeman, Colleen Kinzley, Monica N. Sandri, Jodie L. Berezin, Maggie Wiśniewska, Kelsey Jessup & Timothy C. Rodwell
Original Article | Freely Available | Published: 31 May 2022 | Pages 591 - 613

(this opens in a new tab)Automated, high-throughput image calibration for parallel-laser photogrammetry (this opens in a new tab)

Jack L. Richardson, Emily J. Levy, Riddhi Ranjithkumar, Huichun Yang, Eric Monson, Arthur Cronin, Jordi Galbany, Martha M. Robbins, Susan C. Alberts, Mark E. Reeves & Shannon C. McFarlin
Methodology | Freely Available | Published: 11 March 2022 | Pages 615 - 627
 

(this opens in a new tab)A photogrammetric method to estimate total length of the largest mammal, the blue whale (Balaenoptera musculus) (this opens in a new tab) 

Christian D. Ortega-Ortiz, Ricardo M. Mata Cruz, Tim Gerrodette & Diane Gendron
Original Article | Freely Available | Published: 07 November 2022 | Pages 629 - 643

(this opens in a new tab)Everyone matters: identification with facial wrinkles allows more accurate inference of elephant social dynamics (this opens in a new tab)

Scott Y. S. Chui & Leszek Karczmarski
Methodology | Freely Available | Published: 01 July 2022 | Pages 645 - 666

Innovative Concepts and Applications 

The potential for acoustic individual identification in mammals (this opens in a new tab)

Pavel Linhart, Mathieu Mahamoud-Issa, Dan Stowell & Daniel T. Blumstein
Review | Freely Available | Published: 31 March 2022 | Pages 667 - 683

Predicting the individual identity of non-invasive faecal and hair samples using biotelemetry clusters (this opens in a new tab)

Levi Newediuk & Eric Vander Wal
Methodology | Freely Available | Published: 27 December 2021 | Pages 685 - 700

Evaluating likelihood-based photogrammetry for individual recognition of four species of northern ungulates (this opens in a new tab)

Isobel F. G. Ness, Thomas S. Jung & Fiona K. A. Schmiegelow
Methodology | Freely Available | Published: 9 March 2022 | Pages 701 - 718

Evaluating the use of thermal imagery to count harbor seals in aerial surveys (this opens in a new tab)

Cynthia L. Christman, Josh M. London, Paul B. Conn, Stacie K. Hardy, Gavin M. Brady, Shawn P. Dahle, Benjamin X. Hou & Heather L. Ziel
Methodology | Open Access | Published: 21 January 2022 | Pages 719 - 732

Multi-regional comparison of scarring and pigmentation patterns in Cuvier’s beaked whales (this opens in a new tab)

Frazer G. Coomber, Erin A. Falcone, Erin L. Keene, Gustavo Cárdenas-Hinojosa, Rodrigo Huerta-Patiño & Massimiliano Rosso
Original Article | Freely Available | Published: 22 April 2022 | Pages 733 - 750

Assessing male gelada chest patches: color measurement and physiological mechanisms (this opens in a new tab)

Patricia M. DeLacey, Rachel F. Perlman, Sharmi Sen, India Schneider-Crease, Kenneth L. Chiou, Alemayehu Lemma, Ferehiwot Ayele, James P. Higham, Amy Lu, Noah Snyder-Mackler, Jacinta C. Beehner & Thore J. Bergman
Original Article | Freely Available | Published: 22 February 2022 | Pages 751 - 763

Photographic and Identification Protocol 

Drone-based photogrammetry assessments of body size and body condition of Antillean manatees (this opens in a new tab)

Eric Angel Ramos, Sarah Landeo-Yauri, Nataly Castelblanco-Martínez, Maria Renée Arreola, Adam H. Quade & Guillaume Rieucau
Original Article | Freely Available | Published: 18 April 2022 | Pages 765 -779

Effect of matching uncertainty on population parameter estimation in mark-recapture analysis of photo-identification data (this opens in a new tab)

Erin Ashe & Philip S. Hammond
Methodology | Open Access | Published: 13 May 2022 | Pages 781 - 792

Bat selfies: photographic surveys of flying bats (this opens in a new tab)

Jens Rydell, Danilo Russo, Price Sewell, Ernest C. J. Seamark, Charles M. Francis, Sherri L. Fenton & M. Brock Fenton
Methodology | Open Access | Published: 07 April 2022 | Pages 793 - 809

Adapting photo-identification methods to study poorly marked cetaceans: a case study for common dolphins and harbor porpoises (this opens in a new tab)

Cindy R. Elliser, Krista van der Linde & Katrina MacIver
Methodology | Freely Available | Published: 05 April 2022 | Pages 811 - 827 

Species identification of morphologically similar tropical dolphins and estimating group size using aerial imagery in coastal waters (this opens in a new tab)

Holly C. Raudino, Christophe Cleguer, Melanie A. Hamel, Michael Swaine & Kelly A. Waples
Methodology | Freely Available | Published: 16 March 2022 | Pages 829 - 839

A method for marking individual animals in motion-triggered camera studies (this opens in a new tab)

Yasmine N. Majchrzak, Allyson K. Menzies, Darcy Doran-Myers, Michael J. L. Peers, Emily K. Studd, Rudy Boonstra & Stan Boutin
Short Communication | Freely Available | Published: 28 February 2022 | Pages 841 - 845

Using camera traps to study hyenas: challenges, opportunities, and outlook (this opens in a new tab)

Arjun Dheer, Dinal Samarasinghe, Stephanie M. Dloniak & Alexander Braczkowski
Perspective | Open Access | Published: 17 March 2022 | Pages 847 - 854

Individual identification of armadillos (Mammalia, Cingulata) using a photo-identification software (this opens in a new tab)

Jorge A. Gallo, Agustín M. Abba & Mariella Superina
Short Communication | Freely Available | Published: 20 June 2022 | Pages 855 - 861

Identifying individual ungulates from fecal DNA: a comparison of field collection methods to maximize efficiency, ease, and success (this opens in a new tab)

Bryan H. Bach, Ashling B. Quigley, Kaitlyn M. Gaynor, Alex McInturff, Kristin L. Charles, Janelle Dorcy & Justin S. Brashares
Methodology | Open Access | Published: 24 February 2022 | Pages 863 - 874

Automated Individual Recognition 

Pre-trained models are not enough: active and lifelong learning is important for long-term visual monitoring of mammals in biodiversity research—Individual identification and attribute prediction with image features from deep neural networks and decoupled decision models applied to elephants and great apes (this opens in a new tab)

Paul Bodesheim, Jan Blunk, Matthias Körschens, Clemens-Alexander Brust, Christoph Käding & Joachim Denzler
Original Article | Open Access | Published: 12 April 2022 | Pages 875 - 897

Similarity learning networks for animal individual re-identification: an ecological perspective (this opens in a new tab)

Stefan Schneider, Graham W. Taylor & Stefan C. Kremer
Methodology | Freely Available | Published: 27 April 2022 | Pages 899 - 914

Advanced image recognition: a fully automated, high-accuracy photo-identification matching system for humpback whales (this opens in a new tab)

Ted Cheeseman, Ken Southerland, Jinmo Park, Marilia Olio, Kiirsten Flynn, John Calambokidis, Lindsey Jones, Claire Garrigue, Astrid Frisch Jordán, Addison Howard, Walter Reade, Janet Neilson, Christine Gabriele & Phil Clapham
Methodology | Freely Available | Published: 07 December 2021 | Pages 915 -  929

Feasibility of using convolutional neural networks for individual-identification of wild Asian elephants (this opens in a new tab)

Elgiriyage M. K. de Silva, Prabhash Kumarasinghe, Kottahachchi K. D. A. K. Indrajith, Tennekoon V. Pushpakumara, Ranapura D. Y. Vimukthi, Kasun de Zoysa, Kasun Gunawardana & Shermin de Silva
Methodology | Freely Available | Published: 21 January 2022 | Pages 931 - 941

Multispecies facial detection for individual identification of wildlife: a case study across ursids (this opens in a new tab)

Melanie Clapham, Ed Miller, Mary Nguyen & Russell C. Van Horn
Methodology | Open Access | Published: 07 April 2022 | Pages 943 - 955

Matching individual Ladoga ringed seals across short-term image sequences (this opens in a new tab)

Ekaterina Nepovinnykh, Ilia Chelak, Andrei Lushpanov, Tuomas Eerola, Heikki Kälviäinen & Olga Chirkova
Methodology | Open Access | Published: 08 April 2022 | Pages 957 - 972

Assessing the performance of open-source, semi-automated pattern recognition software for harbour seal (P. v. vitulina) photo ID (this opens in a new tab)

Izzy Langley, Emily Hague & Mònica Arso Civil
Methodology | Freely Available | Published: 14 December 2021 | Pages 973 - 982

Data Integration and Management

A simple tool for linking photo-identification with multimedia data to track mammal behaviour (this opens in a new tab)

Alexandre M. S. Machado & Mauricio Cantor
Methodology | Open Access | Published: 27 December 2021 | Pages 983 - 993 

catRlog: a photo-identification project management system based in R (this opens in a new tab)

Eric M. Keen, Julia Wren, Éadin O’Mahony & Janie Wray
Methodology | Freely Available | Published: 05 August 2021 | Pages 995 - 1004

Flukebook: an open-source AI platform for cetacean photo identification (this opens in a new tab)

Drew Blount, Shane Gero, Jon Van Oast, Jason Parham, Colin Kingen, Ben Scheiner, Tanya Stere, Mark Fisher, Gianna Minton, Christin Khan, Violaine Dulau, Jaime Thompson, Olga Moskvyak, Tanya Berger-Wolf, Charles V. Stewart, Jason Holmberg & J. Jacob Levenson
Methodology | Open Access | Published: 05 April 2022 | Pages 1005 - 1023

Artificial intelligence for right whale photo identification: from data science competition to worldwide collaboration (this opens in a new tab)

Christin Khan, Drew Blount, Jason Parham, Jason Holmberg, Philip Hamilton, Claire Charlton, Fredrik Christiansen, David Johnston, Will Rayment, Steve Dawson, Els Vermeulen, Victoria Rowntree, Karina Groch, J. Jacob Levenson & Robert Bogucki
Methodology | Open Access | Published: 03 June 2022 | Pages 1025 - 1042

Correction to: catRlog: a photo-identification project management system based in R (this opens in a new tab)

Eric M. Keen, Julia Wren, Éadin O’Mahony & Janie Wray
Correction | Published: 05 April 2022 | Pages 1043 - 1043