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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. S

    Hen Harrier VS Northern Harrier

    Hi in the USA i recorded a Northern Harrier - Circus cyaneus, as described in the Sibley guide. in The Middle east we got the Hen Harrier, the Circus cyaneus in the Collins guide. are they the same? a ssp.? thanx for your knowlege
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