References
- Bedard, J. & Meunier, M. 1983. Parental care in the Savannah Sparrow. Canadian Journal of Zoology 61, 2836–2843.
- Biermann, G.C. & Sealy, S.G. 1982. Parental feeding of nestling Yellow Warblers in relation to brood size and prey availability. Auk 99, 332–341.
- Grundel, R. 1987. Determinants of nestling feeding rates and parental investment in the Mountain Chickadee. Condor 89, 319–328.
- Johnson, E.J. & Best, L.B. 1982. Factors affecting feeding and brooding of Gray Catbird nestlings. Auk 99, 148–156.
- Kendeigh, S.C. 1952. Parental care and its evolution in birds. Illinois Biological Monographs 22, Nos. 1–3.
- Maher, W.J. 1986. Growth and development of the Brown-backed Honeyeater Ramsayornis modestus in north Queensland. Emu 86, 245–248.
- Maher, W.J. 1988. Breeding biology of the Brown-backed Honeyeater Ramsayornis modestus (Melephagidae) in northern Queensland. Emu 88, 190–194.
- Maher, W.J. 1991. Growth and development of the Yellow-bellied Sunbird Nectarinia jugularis in north Queensland. Emu 91, 58–61.
- Maher, W.J. 1992. Breeding biology of the Yellow-bellied Sunbird Nectarinia jugularis in northern Queensland. Emu 92, 57–60.
- Nolan, V. Jr., 1978. The ecology and behaviour of the Prairie Warbler Dendroica discolor. AOU Ornithological Monographs 26.
- Paz, U. 1987. Quoted p. 409 in The Birds of the Western Palearctic VII. Eds S. Cramp & C.M. Perrins, Oxford University Press, Oxford.
- Royama, T. 1966. Factors governing feeding rate, food requirement and brood size of nestling Great Tits Parus major. Ibis 108, 313–347.
- Seel, D.C. 1969. Food, feeding rates and body temperature in the nestling House Sparrow Passer domesticus at Oxford. Ibis 111, 36–47.