29.8 MB (5.9 MB compressed)
3986 x 2612 pixels
33.8 x 22.1 cm ⏐ 13.3 x 8.7 in (300dpi)
MERLIN D. TUTTLE / SCIENCE PHOTO LIBRARY MERLIN D. TUTTLE / SCIENCE PHOTO LIBRARY
Little brown bat (Myotis lucifugus) hibernating in a Michigan mine. These bats hibernate for up to 8 months, leaving only 4 to rear young and store fat for the next winter!
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