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Mammalian Rhinarium Group

We study how mammals obtain sensory information from their rhinaria and what role this information plays in their lives. The rhinarium is the hairless, wet frontal part of the nose in many mammals. However, we also look at mammalian nose-tips in general. Rhinaria and nose-tips vary in shape, motility, color, skin structure, temperature, and moistness. A dog rhinarium is wet and cold, cows have wet and warm rhinaria, in a pig the nose-disc is dry and warm, and reindeer nose-tips are warm and furry.

Nose diversity


Thermal photos of noses

Thermal images of mammalian noses, in the same order of species as above, but not necessarily of the same individuals.

Row 1: dog, horse, sheep, pig, cat, goat
Row 2: rhesus monkey, rat, kinkajou, rabbit, cow, degu
Row 3: zebu, ring-tailed lemur, meerkat, harbor seal, moose, raccoon dog
Row 4: polecat, arctic fox, lynx, raccoon, common eland, human

The imaged lynx was resting (warm rhinarium).

Page Manager:

Contact information

Ronald Kröger
Functional zoology

Telephone: +46 46-222 05 96
E-mail: Ronald [dot] Kroger [at] biol [dot] lu [dot] se

Public Events

Many people can relate to the popular pets and/or important working animals in our studies. The work is met by great interest and we are happy to reach out to a large audience of professionals, students and laymen.

Thermal photo of people

2020-03-03, 19:00 Brukshundklubben Lund (in Swedish, with a dog).

2020-03-16, 9:30 NMT dagar (in Swedish).

2020-03-17, 9:30 NMT dagar (in Swedish).

2020-03-18, 9:30 NMT dagar (in Swedish).

2020-03-19, 9:30 NMT dagar (in Swedish).

2020-03-31, 12:15 Lund Rotary-Kloster (in Swedish).

2020-04-07, 18:30 Brukshundklubben Skanör/Falsterbo (in Swedish, with a dog).

2020-04-20, 18:30 Brukshundsklubben Malmö (in Swedish, with a dog).

2020-04-22, 18:30 Viltvårdsförening Malmö (in Swedish, with a dog).