Online repositories of photographs and videos provide insights into the evolution of skilled hindlimb movements in birds

C Gutiérrez-Ibáñez, C Amaral-Peçanha… - Communications …, 2023 - nature.com
The ability to manipulate objects with limbs has evolved repeatedly among land tetrapods.
Several selective forces have been proposed to explain the emergence of forelimb …

Effect of the habitat and tusks on trunk gras** techniques in African savannah elephants

P Costes, J Soppelsa, C Houssin… - Ecology and …, 2024 - Wiley Online Library
Among tetrapods, gras** is an essential function involved in many vital behaviours. The
selective pressures that led to this function were widely investigated in species with …

Evolutionary history of food withdraw movements in primates: Food withdraw is mediated by nonvisual strategies in 22 species of Strepsirrhines

LR Peckre, AC Fabre, CE Wall, E Pouydebat… - Evolutionary …, 2023 - Springer
Anthropoid vision contributes not only to reaching and gras** but also to the orienting of a
food item during the withdraw movement to precisely place it in the mouth for eating. The …

Feeding postural behaviors and food geometric and material properties in bearded capuchin monkeys (Sapajus libidinosus)

MF Laird, Z Punjani, RR Oshay… - American Journal of …, 2022 - Wiley Online Library
Objectives Foods that are geometrically and mechanically challenging to eat have been
associated with specializations in feeding behavior and craniodental morphology across …

Behavioural variability among captive African elephants in the use of the trunk while feeding

M Lefeuvre, P Gouat, B Mulot, R Cornette, E Pouydebat - PeerJ, 2020 - peerj.com
The Proboscideans, an order of mammals including elephants, are the largest of the Earth
lands animals. One probable consequence of the rapid increase of their body size is the …

Effect of binocular visual cue availability on fruit and insect gras** performance in two cheirogaleids: Implications for primate origins hypotheses

AD Kemp - Journal of Human Evolution, 2024 - Elsevier
Forward-facing eyes with parallel optic axes, which provide a wide field of binocular vision
and precise depth perception, are among the diagnostic features of crown primates; …

High‐throughput markerless pose estimation and home‐cage activity analysis of tree shrew using deep learning

Y Wang, F Su, R Cong, M Liu, K Shan… - Animal Models and …, 2025 - Wiley Online Library
Background Quantifying the rich home‐cage activities of tree shrews provides a reliable
basis for understanding their daily routines and building disease models. However, due to …

Reaching versus catching: flexible hand preference in ring-tailed lemurs

A Zonato, A Gagliardo, F Bandoli… - Ethology Ecology & …, 2023 - Taylor & Francis
Compared to other primate taxa, hand preference in strepsirrhines has been poorly
investigated and the available studies have often produced conflicting results. Thanks to …

The evolution of skilled hindlimb movements in birds: a citizen science approach

C Gutiérrez-Ibáñez, C Amaral-Peçanha, AN Iwaniuk… - bioRxiv, 2023 - biorxiv.org
The ability to manipulate objects with limbs has evolved repeatedly among land tetrapods.
Several selective forces have been proposed to explain the emergence of forelimb …

Can urbanization accentuate hand use in the foraging activities of primates?

T Dhananjaya, S Das, M Harpalani… - American Journal of …, 2022 - Wiley Online Library
Objectives How a species uses its anatomical manipulators is determined by its anatomy,
physiology, and ecology. While ecology explains interspecific variation in grip**, gras** …