. Dansk ornithologisk forenings tidsskrift. Birds; Birds. Fig. 65. Sumpmejse Fig. 66. Flyveførdige Unger af Sumpmejse. HALEMEJSE (Acrediila caudata tijpica & var. rosea). Der er noget lunefuldt ved dens Optræden her; den yngler men ikke hvert Aar, den kommer flokkevis om Vintren, men ikke hver 10. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Dansk ornithologisk forening. [København] : Den Forening

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1907