I'm a theoretical biologist with an interest in evolutionary ecology and animal behaviour. My research focuses on information use, the evolution of animal signals, and the evolution and expression of anti-predatory defences. My doctoral thesis was on aggressive mimicry and Batesian mimicry. Current position
I am currently at the Centre for Ecological and Evolutionary Synthesis (CEES
) at the University of Oslo. Research interests
- The evolution of Batesian and Müllerian mimicry
- The evolution and expression of anti-predatory defences
- Predator psychology
- Avian brood parasitism
- Parental investment and parent-offspring conflict
- The use of signal detection theory in behavioural ecology
- Coevolution and the 'Red Queen' hypothesis
: Lectures on kin selection, game theory.BIO9910
: Adaptive dynamics (as assistant teacher)
The seven-spotted lady beetle is chemically defended, and advertises this using red and black warning colours.
The 'bee beetle' (Trichius fasciatus) is thought to mimic a bumble bee to avoid predation (Norwegian: humlebille).
Many hoverflies have wasp-like warning colours, but are harmless.
This hoverfly mimics a bumble bee.
This cicada rely on crypsis to avoid predation.
Another example of crypsis, by a grasshopper (most likely Chorthippus sp.)
A warning-coloured bug, Coryzus hyoscyami.
(Norwegian: Rød kanttege)
The eyespots of the peacock butterfly (Inachis io) have been suggested to mimic vertebrate eyes and scare predators. Alternatively, the "eyes" may deflect predator attacks to less important parts of the body, or even function in mate choice. (Norwegian: Dagpåfugløye)
Sherratt, T.N., and Holen Ø.H.(2018)
When should receivers follow multiple signal components? A closer look at the “flag” model, Behavioral Ecology, 00(00), 1–3.
Voje, K.L., Holen Ø.H., Liow, L.H., and Stenseth, N.C. (2015)
The role of biotic forces in driving macroevolution: beyond the Red Queen, Proc. R. Soc. Lond. B., 282, 20150186.
Holen Ø.H. (2013) Disentangling taste and toxicity in aposematic prey, Proc. R. Soc. Lond. B., 280, 20122588.
Holen Ø.H and Svennungsen T.O. (2012) Aposematism and the handicap principle, American Naturalist,180, 629-641.
Svennungsen T.O., Holen Ø.H, and Leimar O. (2011) Inducible Defenses: Continuous Reaction Norms or Threshold Traits?, American Naturalist, 178, 397-410.
Hansen B.T., Holen Ø.H., and Mappes J. (2010) Predators use environmental cues to discriminate between prey, Behav. Ecol. Sociobiol., 64, 1991-197.
Svennungsen T.O. and Holen Ø.H. (2010) Avian brood parasitism: information use and variation in egg-rejection behavior, Evolution, 64, 1459-1469.
Holen Ø.H. and Johnstone R.A. (2007) Parental investment with a superior alien in the brood,
J. Evol. Biol. 20, 2165-2172.
Svennungsen T.O. and Holen Ø.H. (2007) The evolutionary stability of automimicry, Proc. R. Soc. Lond. B. 274, 2055-2062.
Holen Ø.H. and Johnstone R.A. (2006) Context-Dependent Discrimination and the Evolution of Mimicry, American Naturalist, 167, 377-389. © 2006 by The University of Chicago.
Holen Ø.H. and Johnstone R.A. (2004) The evolution of mimicry under constraints, American Naturalist, 164, 598-613. © 2004 by The University of Chicago.
Holen Ø.H., Sætre G.P., Slagsvold T. and Stenseth N.C. (2001) Parasites and supernormal manipulation, Proc. R. Soc. Lond. B 268, 2551-2558.
- Fun links