Morphology of the lingual papillae of the polar bear (Ursus maritimus).
We examined the dorsal lingual surfaces of a newborn and an old polar bears by using scanning electron microscopy. In the newborn polar bear, the filiform papilla on the lingual apex was cylindrical in shape. The connective tissue core of the filiform papillae was needle-shaped and that of the fungiform papillae was funnel-shaped. The filiform papillae
Shoichi, Emura +2 more
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Space‐use strategies drive diet composition of Baffin Bay polar bears
Polar bears (Ursus maritimus) depend on sea ice to hunt their ice‐associated prey. However, climate‐induced sea ice loss is leading to changes in space‐use strategies of polar bears, with bears in some subpopulations spending more time on land or ...
Jennifer H. Stern +4 more
doaj +1 more source
Die Primärstruktur der Hämoglobine von Eisbär (Ursus maritimus, carnivora) und Kragenbär (Ursus tibetanus, Carnivora) [PDF]
Braunitzer, G. +3 more
core +1 more source
Die Bedeutung des Films für die Erforschung des Fortbewegungsvorganges bei den Tieren [PDF]
The following article by Professor Krüger is a very instructive example of what we otherwhere called "horizontal comparison". Encyclopedic films treating the same topic, but concerning different animals have been used for extensive comparative studies ...
Krüger, W.
core
Traditional Knowledge about Polar Bears (<i>Ursus maritimus</i>) in Northwestern Alaska
Hannah Voorhees +3 more
openalex +2 more sources
Development of criteria suitable for machine learning based on morphological hierarchical trees [PDF]
The goal of this work is to study image criteria to be assigned to morphological trees such as Max/Mintree, Binary Partition Trees or similar representations to be able to classify the tree node and to identify the presence of object of interest in the ...
de la Peña Ruiz, Hector
core
Note on the Spermatozoa of the Polar Bear (Ursus maritimus)
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire +1 more source
Evolution and biogeography of mammals [PDF]
U ovom radu sam pisala o biogeografiji i o novim saznanjima na području evolucije sisavaca. Znanstvenici su dali mnoge odgovore ali je ostalo još dosta bitnih i neriješenih pitanja vezanih za njihovu evoluciju.
Vlajčić, Mila
core +2 more sources
Contextual Factors Associated with Fecal Glucocorticoid Metabolites in Juvenile Polar Bears (Ursus maritimus) and a Cohabitating Juvenile Grizzly Bear (Ursus arctos horribilis) at the Detroit Zoo [PDF]
Emily N. Bovee +3 more
openalex +1 more source

