𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Nest defence of Tengmalm's owls reflects offspring survival prospects under fluctuating food conditions

✍ Scribed by Harri Hakkarainen; Erkki Korpimäki


Book ID
115569749
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
309 KB
Volume
48
Category
Article
ISSN
0003-3472

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Does feeding effort of Tengmalm's owls r
✍ Harri Hakkarainen; Erkki Korpimäki 📂 Article 📅 1994 🏛 Springer-Verlag 🌐 English ⚖ 596 KB

In an environment fluctuating in a predicatable manner with wide among-year variation in offspring mortality, fitness is largely influenced by the timing of reproductive investment. In vole-eating nocturnal Tengmalm's owls (Aegolius funereus), within-cycle variation in 1st-year survival of owlets is

Environmental, parental and adaptive var
✍ Harri Hakkarainen; Erkki Korpimäki 📂 Article 📅 1994 🏛 Springer-Verlag 🌐 English ⚖ 668 KB

We studied egg size variation of Tengmalm's owls in western Finland during 1981-1990. The owls fed on voles whose population fluctuated in a predictable manner: low (1981, 1984, 1987, 1990), increase (1982, 1985, 1988) and peak (1983, 1986, 1986) phases of the cycle occurred every third year. Eggs w