Tag Archive for 'Nocturnality'

Apteribis. Image credit: Sarah Citron, University of Lethbridge.

Extinct Hawaiian Ibis Had Unusually Small Eyes and Limited Visual Capacity, Study Says

Feb 11, 2026 by News Staff

Apteribis, an extinct species of ibis that once inhabited the Hawaiian Islands, occupied a niche similar to that of the New Zealand kiwi: a nocturnal,...

Travouillon et al. examined the phenomenon of mammalian fluorescence to determine the extent of apparent fluorescence among mammals and to identify the anatomical regions most likely to fluoresce. The images show mammal taxidermy under UV light: (a) polar bear, (b) southern marsupial mole, (c) greater bilby, (d) mountain zebra, (e) bare-nosed wombat, (f) six-banded armadillo, (g) orange leaf-nosed bat, (h) quenda, (i) leopard, (j) Asian palm civet, (k) red fox, (l) dwarf spinner dolphin. Image credit: Travouillon et al., doi: 10.1098/rsos.230325.

At Least 125 Species of Mammals Glow under Ultraviolet Light, New Study Reveals

Oct 4, 2023 by Natali Anderson

Fluorescence — the absorption of short wavelengths of light and re-emission of longer wavelengths of light — is widely distributed among mammals...