Mark B Bartosik
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OSPREY (PANDION HALIAETUS): NOTES ON UNKNOWN AND POORLY STUDIED BEHAVIORS - 2009 paper; additional photo documentation
OSPREY (PANDION HALIAETUS): NOTES ON UNKNOWN AND POORLY STUDIED BEHAVIORS - 2009 paper; additional photo documentation
Bartosik, M. B. 2009. Osprey (Pandion haliaetus): Notes on Unknown and Poorly Studied Behaviors. Bulletin of the Texas Ornithological Society 42:18-36.
:: Unknown behavior: Osprey Male Stick-Breaking-Off-And- Presenting Display ::
:: Unknown behavior: Osprey Intraspecific Kleptoparasitism of Nesting Materials ::
:: Unknown behavior: Swallowing Seagrass by Osprey ::
:: New hypothesis: Osprey Striking Fish at a Low Angle to Avoid Contact with Sharp Tips of Fish Stiff Dorsal Spines ::
:: Ospreys Releasing Too Large Fish from Their Talons into the Water ::
:: Osprey swallowing fish parts ::
:: Second record: Osprey Male Wings-Drooping-And-Shivering Display ::
:: Unknown behavior: Osprey - cleaning inside parts of the mandibles ::
:: Unknown behavior: Osprey scratching its head by rubbing it against a branch ::