- Rofstad,
Oystein Lorensten, and
Magne Husby. "On the
Adaptive Value of
Intraclutch Egg-Size
Variation in Birds." The Auk 101.4 (1984): 685-97. JSTOR. Web...
- Ornithologists' Union.
Retrieved 20 July 2021. Haftorn, Svein; "Clutch size,
intraclutch egg size variation, and
breeding strategy in the
Goldcrest Regulus regulus";...
- ; Norris, R. H.; Wang, E.; Thaler, J. S. (2017). "Maternally
induced intraclutch cannibalism: an
adaptive response to
predation risk?".
Ecology Letters...
- 2010.
Retrieved 11
November 2010. Hafton,
Svein (1986). "Clutch size,
intraclutch egg size variation, and
breeding strategy in the
Goldcrest Regulus regulus"...
