O. G. Dely szerk.: Vertebrata Hungarica 8/1-2. (Budapest, 1966)
Endes, M.: Adatok a széki pacsirta (Callandrella brachydactyla hungarica Horváth) fiókáinak fejlődéséhez 105-110. o.
Short-toed Lark take, as It were, an intermediate position between the nidicolous and nidifugous types of birds. Early independence is evidently connected with the location of the nest on the ground (opes sites). Irodalom- References 1. ENDES, M. St HORVÁTH,!. & HÜTTLER,B. ; The Life History of the Hungarian Short-toed Lark (Calandrella brachydactyla hungarica Horváth) in Hortobágy, Hungary (Proc of the XIV-th Int.Orn.Congr. 1966, Oxford). - 2. MAKATSCH, ¥.: Der Vogel und seine Jungen (Die Neue Brehm Bücherei, 1951, Leipzig). 3. ENDES,M. :Some date concerning the Ecology of the nesting of the Hungarian Short-toed Lark (Calandrella brachydactyla hungarica Horváth)(Acta Biologica Debrecina, Debrecen, 1966, p. 131-139). - 4. SZÉKES SY, V. (ed.): Aves (in Fauna Hungáriáé 21, Fase. 10:7, Budapest, 1958).