From: Leszek Karczmarski leszek@cetacea-institute.org We are pleased to announce a 2-part Special Issue on Individual Identification and Photographic Techniques in Mammalian Ecological and Behavioural Research published recently in Mammalian Biology. All articles are currently freely downloadable, please see the links below: Part 1: Methods and Concepts -- https://www.springer.com/journal/42991/updates/23466526 Part 2: Field Studies and Applications -- https://www.springer.com/journal/42991/updates/24045190 Articles listed as Freely Available can be fully downloaded for a limited period of time. PDFs of Part 1 can be downloaded through the end of April 2023, and PDFs of Part 2 through the end of June 2023. After these dates, all Freely Available articles will become Free-to-Read online, and will remain so indefinitely. See below for further details: Individual Identification and Photographic Techniques in Mammalian Ecological and Behavioural Research Part 1: Methods and Concepts https://www.springer.com/journal/42991/updates/23466526 Editors: Leszek Karczmarski, Stephen C.Y. Chan, Daniel I. Rubenstein, Scott Y.S. Chui and Elissa Z. Cameron --- PREFACE 1. Individual identification and photographic techniques in mammalian ecological and behavioural research — Part 1: Methods and concepts Authors: Leszek Karczmarski, Stephen C. Y. Chan, Daniel I. Rubenstein, Scott Y. S. Chui and Elissa Z. Cameron https://doi.org/10.1007/s42991-022-00319-2 --- Theme I - ANALYTICAL INNOVATIONS 2. Assessing social structure: a data-driven approach to define associations between individuals Authors: Sara B. Tavares, Hal Whitehead and Thomas Doniol-Valcroze https://doi.org/10.1007/s42991-022-00231-9 3. Preserving identity in capture–mark–recapture studies: increasing the accuracy of minimum number alive (MNA) estimates by incorporating inter-census trapping efficiency variation Authors: Julius G. Bright Ross, Chris Newman, Christina D. Buesching and David W. Macdonald https://doi.org/10.1007/s42991-021-00210-6 4. spaceNtime: an R package for estimating abundance of unmarked animals using camera-trap photographs Authors: Anna K. Moeller and Paul M. Lukacs https://doi.org/10.1007/s42991-021-00181-8 --- Theme II - NOVEL FIELD TECHNIQUES 5. A novel technique for aging male African elephants (Loxodonta africana) using craniofacial photogrammetry and geometric morphometrics Authors: Caitlin E. O’Connell-Rodwell, Patrick T. Freeman, Colleen Kinzley, Monica N. Sandri, Jodie L. Berezin, Maggie Wiśniewska, Kelsey Jessup and Timothy C. Rodwell https://doi.org/10.1007/s42991-022-00238-2 6. Automated, high-throughput image calibration for parallel-laser photogrammetry Authors: 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 and Shannon C. McFarlin https://doi.org/10.1007/s42991-021-00174-7 7. A photogrammetric method to estimate total length of the largest mammal, the blue whale (Balaenoptera musculus) Authors: Christian D. Ortega-Ortiz, Ricardo M. Mata Cruz, Tim Gerrodette and Diane Gendron https://doi.org/10.1007/s42991-022-00307-6 8. Everyone matters: identification with facial wrinkles allows more accurate inference of elephant social dynamics Authors: Scott Y.S. Chui and Leszek Karczmarski https://doi.org/10.1007/s42991-022-00257-z --- Theme III - INNOVATIVE CONCEPTS AND APPLICATIONS 9. The potential for acoustic individual identification in mammals Authors: Pavel Linhart, Mathieu Mahamoud-Issa, Dan Stowell and Daniel T. Blumstein https://doi.org/10.1007/s42991-021-00222-2 10. Predicting the individual identity of non-invasive faecal and hair samples using biotelemetry clusters Authors: Levi Newediuk and Eric Vander Wal https://doi.org/10.1007/s42991-021-00173-8 11. Evaluating likelihood-based photogrammetry for individual recognition of four species of northern ungulates Authors: Isobel F. G. Ness, Thomas S. Jung and Fiona K. A. Schmiegelow https://doi.org/10.1007/s42991-021-00223-1 12. Evaluating the use of thermal imagery to count harbor seals in aerial surveys Authors: Cynthia L. Christman, Josh M. London, Paul B. Conn, Stacie K. Hardy, Gavin M. Brady, Shawn P. Dahle, Benjamin X. Hou and Heather L. Ziel https://doi.org/10.1007/s42991-021-00191-6 13. Multi-regional comparison of scarring and pigmentation patterns in Cuvier’s beaked whales Authors: Frazer G. Coomber, Erin A. Falcone, Erin L. Keene, Gustavo Cardenas-Hinojosa, Rodrigo Huerta-Patino and Massimiliano Rosso https://doi.org/10.1007/s42991-022-00226-6 14. Assessing male gelada chest patches: color measurement and physiological mechanisms Authors: 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 and Thore J. Bergman https://doi.org/10.1007/s42991-021-00211-5 --- Theme IV - PHOTOGRAPHIC AND IDENTIFICATION PROTOCOL 15. Drone-based photogrammetry assessments of body size and body condition of Antillean manatees Authors: Eric Angel Ramos, Sarah Landeo-Yauri, Nataly Castelblanco-Martinez, Maria Renee Arreola, Adam H. Quade and Guillaume Rieucau https://doi.org/10.1007/s42991-022-00228-4 16. Effect of matching uncertainty on population parameter estimation in mark-recapture analysis of photo-identification data Authors: Erin Ashe and Philip S. Hammond https://doi.org/10.1007/s42991-022-00236-4 17. Bat selfies: photographic surveys of flying bats Authors: Jens Rydell, Danilo Russo, Price Sewell, Ernest C. J. Seamark, Charles M. Francis, Sherri L. Fenton and M. Brock Fenton https://doi.org/10.1007/s42991-022-00233-7 18. Adapting photo-identification methods to study poorly marked cetaceans: a case study for common dolphins and harbor porpoises Authors: Cindy R. Elliser, Krista van der Linde and Katrina MacIver https://doi.org/10.1007/s42991-021-00194-3 19. Species identification of morphologically similar tropical dolphins and estimating group size using aerial imagery in coastal waters Authors: Holly C. Raudino, Christophe Cleguer, Melanie A. Hamel, Michael Swaine and Kelly A. Waples https://doi.org/10.1007/s42991-021-00214-2 20. A method for marking individual animals in motion-triggered camera studies Authors: Yasmine N. Majchrzak, Allyson K. Menzies, Darcy Doran-Myers, Michael J. L. Peers, Emily K. Studd, Rudy Boonstra and Stan Boutin https://doi.org/10.1007/s42991-022-00225-7 21. Using camera traps to study hyenas: challenges, opportunities, and outlook Authors: Arjun Dheer, Dinal Samarasinghe, Stephanie M. Dloniak and Alexander Braczkowski https://doi.org/10.1007/s42991-021-00188-1 22. Individual identification of armadillos (Mammalia, Cingulata) using a photo-identification software Authors: Jorge A. Gallo, Agustin M. Abba and Mariella Superina https://doi.org/10.1007/s42991-022-00260-4 23. Identifying individual ungulates from fecal DNA: a comparison of field collection methods to maximize efficiency, ease, and success Authors: Bryan H. Bach, Ashling B. Quigley, Kaitlyn M. Gaynor, Alex McInturff, Kristin L. Charles, Janelle Dorcy and Justin S. Brashares https://doi.org/10.1007/s42991-021-00176-5 --- Theme V - AUTOMATED INDIVIDUAL RECOGNITION 24. 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 Authors: Paul Bodesheim, Jan Blunk, Matthias Korschens, Clemens-Alexander Brust, Christoph Kading and Joachim Denzler https://doi.org/10.1007/s42991-022-00224-8 25. Similarity learning networks for animal individual re-identification: an ecological perspective Authors: Stefan Schneider, Graham W. Taylor and Stefan C. Kremer https://doi.org/10.1007/s42991-021-00215-1 26. Advanced image recognition: a fully automated, high-accuracy photo-identification matching system for humpback whales Authors: Ted Cheeseman, Ken Southerland, Jinmo Park, Marilia Olio, Kiirsten Flynn, John Calambokidis, Lindsey Jones, Claire Garrigue, Astrid Frisch Jordan, Addison Howard, Walter Reade, Janet Neilson, Christine Gabriele and Phil Clapham https://doi.org/10.1007/s42991-021-00180-9 27. Feasibility of using convolutional neural networks for individual-identification of wild Asian elephants Authors: 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 and Shermin de Silva https://doi.org/10.1007/s42991-021-00206-2 28. Multispecies facial detection for individual identification of wildlife: a case study across ursids Authors: Melanie Clapham, Ed Miller, Mary Nguyen and Russell C. Van Horn https://doi.org/10.1007/s42991-021-00168-5 29. Matching individual Ladoga ringed seals across short-term image sequences Authors: Ekaterina Nepovinnykh, Ilia Chelak, Andrei Lushpanov, Tuomas Eerola, Heikki Kälviäinen and Olga Chirkova https://doi.org/10.1007/s42991-022-00229-3 30. Assessing the performance of open-source, semi-automated pattern recognition software for harbour seal (P. v. vitulina) photo ID Authors: Izzy Langley, Emily Hague and Monica Arso Civil https://doi.org/10.1007/s42991-021-00165-8 --- Theme VI - DATA INTEGRATION AND MANAGEMENT 31. A simple tool for linking photo-identification with multimedia data to track mammal behaviour Authors: Alexandre M. S. Machado and Mauricio Cantor https://doi.org/10.1007/s42991-021-00189-0 32. catRlog: a photo-identification project management system based in R Authors: Eric M. Keen, Julia Wren, Eadin O’Mahony and Janie Wray https://doi.org/10.1007/s42991-021-00158-7 33. Flukebook: an open-source AI platform for cetacean photo identification Authors: 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 and J. Jacob Levenson https://doi.org/10.1007/s42991-021-00221-3 34. Artificial intelligence for right whale photo identification: from data science competition to worldwide collaboration Authors: 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 and Robert Bogucki https://doi.org/10.1007/s42991-022-00253-3 === Part 2: Field Studies and Applications https://www.springer.com/journal/42991/updates/24045190 Editors: Leszek Karczmarski, Stephen C.Y. Chan, Scott Y.S. Chui and Elissa Z. Cameron --- PREFACE 1. Individual identification and photographic techniques in mammalian ecological and behavioural research — Part 2: Field studies and applications Authors: Leszek Karczmarski, Stephen C.Y. Chan, Scott Y.S. Chui and Elissa Z. Cameron https://doi.org/10.1007/s42991-023-00344-9 --- Theme I - REVIEW 2. Using spot pattern recognition to examine population biology, evolutionary ecology, sociality, and movements of giraffes: a 70-year retrospective Authors: Derek E. Lee, George G. Lohay, Douglas R. Cavener and Monica L. Bond https://doi.org/10.1007/s42991-022-00261-3 3. Manatee population traits elucidated through photo-identification Author: Cathy A. Beck https://doi.org/10.1007/s42991-022-00270-2 4. The value of individual identification in studies of free-living hyenas and aardwolves Authors: Olivia Sage Brandon Spagnuolo, Marie Lemerle, Kay Ellen Holekamp and Ingrid Wiesel https://doi.org/10.1007/s42991-022-00309-4 --- Theme II - DEMOGRAPHY AND POPULATION ECOLOGY 5. Sharp decline in humpback whale (Megaptera novaeangliae) survival and reproductive success in southeastern Alaska during and after the 2014–2016 Northeast Pacific marine heatwave Authors: Christine M. Gabriele, Courtney L. Amundson, Janet L. Neilson, Janice M. Straley, C. Scott Baker and Seth L. Danielson https://doi.org/10.1007/s42991-021-00187-2 6. Investigating local population dynamics of bottlenose dolphins in the northern Bahamas and the impact of hurricanes on survival Authors: Jennifer Coxon, Monica Arso Civil, Diane Claridge, Charlotte Dunn and Philip S. Hammond https://doi.org/10.1007/s42991-021-00208-0 7. An unknown component of a well-known population: Socio-demographic parameters of Indo-Pacific humpback dolphins (Sousa chinensis) at the western reaches of the Pearl River Delta region Authors: Stephen C.Y. Chan, Leszek Karczmarski, Wenzhi Lin, Ruiqiang Zheng, Yuen-Wa Ho, Lang Guo, Yaqian Mo, Andy T. L. Lee, Carmen K. M. Or and Yuping Wu https://doi.org/10.1007/s42991-022-00335-2 8. Population density estimate of leopards (Panthera pardus) in north-western Mpumalanga, South Africa, determined using spatially explicit capture–recapture methods Authors: Declan R. Morris, Wayne S. J. Boardman, Lourens H. Swanepoel, Greg Simpson, Jannie Coetzee, Gerrie J. Camacho and Todd J. McWhorter https://doi.org/10.1007/s42991-021-00179-2 9. Leopard Panthera pardus camera trap surveys in the arid environments of northern Namibia Authors: Ruben Portas, Bettina Wachter, Piet Beytell, Kenneth H. Uiseb, Joerg Melzheimer and Sarah Edwards https://doi.org/10.1007/s42991-022-00237-3 10. Spatially explicit population estimates of African leopards and spotted hyenas in the Queen Elizabeth Conservation Area of southwestern Uganda Authors: Alexander Braczkowski, Arjun M. Gopalaswamy, Julien Fattebert, Sam Isoke, Alexander Bezzina and Martine Maron https://doi.org/10.1007/s42991-022-00324-5 11. The relative role of intrinsic and extrinsic drivers in regulating population change and survival of African wild dogs (Lycaon pictus) Authors: David G. Marneweck, Dave J. Druce, Joris P. G. M. Cromsigt, Elizabeth le Roux and Michael J. Somers https://doi.org/10.1007/s42991-022-00281-z 12. Estimating population parameters of African elephants: a photographic mark-recapture application in a South African protected area Authors: Stephen C.Y. Chan, Scott Y.S. Chui, Yolanda Pretorius and Leszek Karczmarski https://doi.org/10.1007/s42991-022-00334-3 --- Theme III - SOCIO-ECOLOGY AND BEHAVIOUR 13. Social responses to the natural loss of individuals in Barbary macaques Authors: Piotr Fedurek, Richard McFarland, Bonaventura Majolo and Julia Lehmann https://doi.org/10.1007/s42991-022-00283-x 14. Assessment of social mixing and spatial overlap as a pathway for disease transmission in a northeast Florida estuarine dolphin community Authors: Emily A. Szott, Kristin Brightwell and Quincy Gibson https://doi.org/10.1007/s42991-022-00282-y 15. Evidence of male alliance formation in a small dolphin community Authors: Delphine B. H. Chabanne, Michael Krutzen, Hugh Finn and Simon J. Allen https://doi.org/10.1007/s42991-022-00295-7 16. Social integration of translocated wildlife: a case study of rehabilitated and released elephant calves in northern Kenya Authors: Shifra Z. Goldenberg, Stephen M. Chege, Nelson Mwangi, Ian Craig, David Daballen, Iain Douglas-Hamilton, Nadine Lamberski, Moses Lenaipa, Reuben Lendira, Colman Lesowapir, Lekilia P. Lokooria, Mathew Mutinda, Fred Omengo, Katie Rowe, Jenna Stacy-Dawes, George Wittemyer and Megan A. Owen https://doi.org/10.1007/s42991-022-00285-9 17. Dynamics of short-finned pilot whales long-term social structure in Madeira Authors: Ruth Esteban, Philippe Verborgh and Luis Freitas https://doi.org/10.1007/s42991-022-00280-0 18. Adolescence and the development of social behaviour in giraffes Authors: Zoe Muller, Innes C. Cuthill and Stephen Harris https://doi.org/10.1007/s42991-021-00197-0 19. Cheetah marking sites are also used by other species for communication: evidence from photographic data in a comparative setup Authors: Sarah Edwards, Rebekka Mueller, Ralf Roeder, Joerg Melzheimer and Bettina Wachter https://doi.org/10.1007/s42991-022-00284-w 20. Assessing neophobia and exploration while accounting for social context: an example application in scimitar-horned oryx Authors: Katherine Mertes, Catherine A. Ressijac, Rosana N. Moraes, Lacey F. Hughey, Luisa H. Porto Alegre, Megan Horning, Tara Buk, Arielle Harwood, Lawrence Layman, Christopher Mathews, Morgan Vance, Dolores Reed, Jared A. Stabach and Shifra Z. Goldenberg https://doi.org/10.1007/s42991-022-00271-1 --- Theme IV - SOCIO- AND MORPHO-GENETICS 21. Association patterns and community structure among female bottlenose dolphins: environmental, genetic and cultural factors Authors: Svenja M. Marfurt, Simon J. Allen, Manuela R. Bizzozzero, Erik P. Willems, Stephanie L. King, Richard C. Connor, Anna M. Kopps, Sonja Wild, Livia Gerber, Samuel Wittwer and Michael Krutzen https://doi.org/10.1007/s42991-022-00259-x 22. Genetic identifications challenge our assumptions of physical development and mother–calf associations and separation times: a case study of the North Atlantic right whale (Eubalaena glacialis) Authors: Philip K. Hamilton, Brenna A. Frasier, Lisa A. Conger, R. Clay George, Katharine A. Jackson and Timothy R. Frasier https://doi.org/10.1007/s42991-021-00177-4 23. Like mother like daughter: quantifying the relationship between relatedness and phenotypic similarity in leopard pelage patterns Authors: Lucy K. Smyth, Guy A. Balme, Ross Tyzack-Pitman, Jacqueline M. Bishop and M. Justin O’Riain https://doi.org/10.1007/s42991-022-00308-5 --- Theme V - MOVEMENT AND SITE FIDELITY 24. Proposing a framework for monitoring demographic parameters in local cetacean populations: the case of short-finned pilot whales in Madeira Authors: Philippe Verborgh, Elza H. Janssen, Ruth Esteban, Pauline Gauffier and Luis Freitas https://doi.org/10.1007/s42991-022-00266-y 25. Movements and residency of fin whales (Balaenoptera physalus) in the California Current System Authors: Erin A. Falcone, Erin L. Keene, Eric M. Keen, Jay Barlow, James Stewart, Ted Cheeseman, Craig Hayslip and Daniel M. Palacios https://doi.org/10.1007/s42991-022-00298-4 26. From the Antarctic Peninsula to eastern Australia: the longest migration of a humpback whale through the South Pacific Ocean Authors: Jorge Acevedo, Anelio Aguayo-Lobo, Peta Beeman, Ted Cheeseman and Carlos Olavarria https://doi.org/10.1007/s42991-021-00195-2 27. The longest recorded movement of an inshore common bottlenose dolphin (Tursiops truncatus) Authors: Tilen Genov, Jure Zeleznik, Chiara Bruno, Davide Ascheri, Elena Fontanesi and Monica Francesca Blasi https://doi.org/10.1007/s42991-022-00316-5 28. Extreme moulting site fidelity of the Saimaa ringed seal Authors: Vincent Biard, Milaja Nykanen, Marja Niemi and Mervi Kunnasranta https://doi.org/10.1007/s42991-021-00209-z --- Theme VI - PHOTOGRAMMETRY AND MORPHOMETRICS 29. Growth trajectories of wild Assamese macaques (Macaca assamensis) determined from parallel laser photogrammetry Authors: Simone Anza, Andreas Berghanel, Julia Ostner and Oliver Schulke https://doi.org/10.1007/s42991-022-00262-2 30. Body length and growth pattern of free-ranging Indo-Pacific bottlenose dolphins off Mikura Island estimated using an underwater 3D camera Authors: Tadamichi Morisaka, Mai Sakai, Hiromitsu Hama and Kazunobu Kogi https://doi.org/10.1007/s42991-022-00304-9 31. Morphometrics and body condition of southern right whales on the calving grounds at Port Ross, Auckland Islands Authors: David R. Johnston, William Rayment and Stephen M. Dawson https://doi.org/10.1007/s42991-021-00175-6 32. Whisker spots on polar bears reveal increasing fluctuating asymmetry Authors: Caila E. Kucheravy, Jane M. Waterman and James D. Roth https://doi.org/10.1007/s42991-022-00294-8 --- Theme VII - HEALTH ASSESSMENT 33. Cutaneous conditions and injuries in Ziphius cavirostris and Mesoplodon peruvianus from Mexican Pacific and Southern California waters Authors: Mario A. Onofre-Diaz, Christian D. Ortega-Ortiz, Gustavo Cardenas-Hinojosa, Rodrigo Huerta-Patino, Erin Falcone, Jennifer S. Trickey, Koen Van Waerebeek and Marie-Francoise Van Bressem https://doi.org/10.1007/s42991-022-00273-z 34. Prevalence and spatio-temporal variation of epidermal conditions, deformities and injuries in common bottlenose dolphins (Tursiops truncatus) in Welsh waters Authors: Anastasios Stylos, Eleni Akritopoulou, Chiara G. Bertulli, Katrin Lohrengel, Niall McGinty, Dimitrios K. Moutopoulos and Peter G. H. Evans https://doi.org/10.1007/s42991-022-00300-z 35. Health conditions of Guiana dolphins facing cumulative anthropogenic impacts Authors: Estela Dibo Soares, Mauricio Cantor, Ana Paula Frederico Rodrigues Loureiro Bracarense, Katia Regina Groch and Camila Domit https://doi.org/10.1007/s42991-022-00299-3 36. Remote and non-invasive quantification of ‘Tattoo Skin Disease-Like’ dermatopathy in endangered Arabian Sea humpback whales using drone photography Authors: Matthew S. Leslie, Louis Kant, Colin Perkins-Taylor, Marie-Francoise Van Bressem, Gianna Minton, Darryl MacDonald, Fredrik Christiansen, Maia Sarrouf Willson, Tim Collins, Robert Baldwin, Suaad Al Harthi and Andrew Willson https://doi.org/10.1007/s42991-022-00337-0 --- EDITORIAL 37. Application of multi-species photo-ID database management systems: a user’s perspective Authors: Stephen C.Y. Chan, Scott Y.S. Chui and Leszek Karczmarski https://doi.org/10.1007/s42991-023-00345-8 -- Leszek Karczmarski, Ph.D. http://www.hku-cetacean-ecology.net