Caching Eurasian skylarks Alauda arvensis by the Montagu's harrier Circus pygargus

Arroyo BE 1995: Breeding ecology and nest dispersion of Montagu's harrier Circus pygargus in central Spain. Ph. D. Thesis. University of Oxford.Search in Google Scholar

Arroyo BE 1999: Copulatory behavior of semi-colonial Montagu's harriers. Condor 101: 340-346.10.2307/1369997Search in Google Scholar

Arroyo BE, García JT & Bretagnolle V 2004: Circus pygargus Montagu's harrier, BWP Update 6(1-2): 39-54.Search in Google Scholar

Arroyo BE, Mougeot F & Bretagnolle V 2001: Colonial breeding and nest defence in Montagu's harrier Circus pygargus. Behavioral Ecology and Sociobiology 50: 109-115.10.1007/s002650100342Search in Google Scholar

Clarke R 1996: Montagu's harrier. Arlequin Press, Chelmsford, UK, 208.Search in Google Scholar

Cramp S & Simmons KEL (eds) 1980: Handbook of the Birds of the Western Palearctic. Volume 2. Hawks to Bustards. Oxford University Press, 695.Search in Google Scholar

Krupiński D, Lewtak J & Szulak K: Semicolonial nesting and protection of the Montagu's harrier Circus pygargus in rapeseed fields in southern Podlasie (eastern Poland). Slovak Raptor Journal 4: 35-38.10.2478/v10262-012-0042-2Search in Google Scholar

Lontkowski J & Skakuj M 1994: Rozpoznawanie błotniaków: zbożowego Circus cyaneus, łąkowego Circus pygargus i stepowego Circus macrourus [Identification of harriers: hen harrier Circus cyaneus, Montagu's harrier Circus pygargus and pallid harrier Circus macrourus]. Notatki Ornitologiczne 35: 347-371. [In Polish]Search in Google Scholar

Kitowski I 2001: Intra-and inter specific kleptoparasitism in Montagu's harrier Circus pygargus during the post-fledging period. Biota 2: 137-145.Search in Google Scholar

Kitowski I 2003: Inter-specific and temporal differences in brood defence of adult Montagu's harriers Circus pygargus and marsh harriers Circus aeruginosus against foxes Vulpes vulpes and avian intruders during the post-fledging dependency period. Biota 4: 57-66.Search in Google Scholar

Kitowski I 2008. Breeding ecology of Montagu's harrier (Circus pygargus) in marshes of eastern Poland: importance of aggregated nesting. Acta Zoologica Lituanica, 18 (2): 83-89.10.2478/v10043-008-0012-1Search in Google Scholar

Lyons D & Mosher JA 1982: Food caching by raptors and caching of nestling by the Broad-winged Hawk. Ardea 70: 217-219.Search in Google Scholar

Newton I 1979: Population ecology of raptors. T & AD Poyser, Berkhamsted, UK, 399.Search in Google Scholar

Rejt Ł, Turlejski K, Bronce K & Topczewski AM 2000: Can food caching increase frequency of chicks' feeding in urban kestrel. Acta Ornithologica 35: 217-221.10.3161/068.035.0205Search in Google Scholar

Śliwa P & Rejt Ł 2006: Pustułka - Monografie Przyrodnicze [The kestrel. The natural monographs]. Klub Przyrodników. Świebodzin, 192. [In Polish with summaries in English and German]Search in Google Scholar

Wiącek J 2006: Pair formation in the Montagu's harrier. Berkut 15: 151-158.Search in Google Scholar

Vander Wall SB 1990: Food hoarding in animals. University of Chicago Press, Chicago, Illinois, 445.Search in Google Scholar