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Do we have a future? Starlings say no.

flux featured square 2

A 46-year starling study in New Zealand is used to illustrate social and cultural evolution in laymans’ language

 
John Flux
Formerly Department of Scientific and Industrial Research Ecology Division, Landcare Research, and Ecological Research Associates of New Zealand
 
 
LINKED PAPER
The fertility clinic: a bird’s-eye view of our future. Flux, J. E. C., & Flux, M. 2015. New Zealand Journal of Zoology. DOI: 10.1080/03014223.2015.1099549 VIEW

The New Zealand Royal Society has teamed up with Victoria University of Wellington’s Bill Manhire School of Creative Writing to offer an annual prize. The aim of the competition is to encourage scientists to learn how to explain a complex topic in simple terms, while creative writers tackle the same topic in fiction to gain an understanding of science.

 
flux fig 1Figure 1 Corpses of two Starlings that killed each other. ‘[W]hen two army corps may mutually annihilate each other in a second, probably all civilised nations will recoil with horror and disband their troops’ (Alfred Nobel, 1892).
 

In 2008 (to commemorate the 200th anniversary of Darwin’s birth in 1809) the topic was “Evolution”. The guideline read: ‘The Universe makes rather an indifferent parent, I’m afraid’, said Dickens’ kindly Mr Jarndyce in Bleak House (Dickens 1865, p. 75). Humans have evolved to understand and intervene in the unsentimental processes of nature —with some unfortunate and unintended consequences. Back to nature or on to the future?

Having worked for 10 years on population dynamics of Starlings Sturnus vulgaris in a colony of 500 nest-boxes (Flux & Flux 1981) as part of a study of artificial selection for high clutch size (Flux & Flux 1982), we decided to enter an essay. It was shortlisted in the top ten, and lay on the website unread; or at least unquoted.

 
Flux fig 2Figure 2 Nest-boxes built in ventilation shafts of WWII munition bunkers.
 
 
 
 
 
 
 
 
 
 
 
 
 
 

The editor of the NZ Journal of Zoology admired the style, and suggested it should be printed as a Forum review paper (King 2015). We agreed, and were glad to have the chance to include more recent work on DDT residues (Eems et al. 2013), climate change (Flux, Bull, Dzuniac & Tryjanowski 2009), and laying synchrony in relation to nest spacing (Evans, Ardia & Flux 2009).

As mammalogists specialising on lagomorphs (Chapman & Flux 1990) rather than ornithologists, we have a somewhat unusual viewpoint, and can cross-link into different aspects of population control in vertebrates to explain why some species, including humans, have become pests (Flux 2001).

 
flux fig 3Figure 3 A Starling’s wallpaper gave us the title.
 
 
 
 
 
 
 
 
 
 

We hope you enjoy the paper; there are no statistics, figures or tables. Our aim, in the words of Colinvaux (1973), has been to demonstrate “the great fun that ecologists find in their own peculiar way of looking at nature…to capture enough of ecology’s enjoyment to give a little pleasure in the reading.”

References


Chapman, J. A. & Flux, J. E. C. 1990. Rabbits, hares and pikas. Status survey and conservation plan. IUCN, Gland, Switzerland. 168 pp.
 
Colinvaux, P. A. 1973. Introduction to Ecology. Wiley, New York, N.Y. 621 pp.
 
Eems, M., Jaspers, V. L. B., Van den Steen, E., Bateson, M., Carere, C., Clergeau, P., Constantini, D., Dolenec, Z., Elliott, J. E., Flux, J., Gwinner, H., Halbrook, R. S., Heeb, P., Mazgajski, T. D., Moksnes, A., Polo, V., Soler, J. J., Sinclair, R., Veiga, J. P., Williams, T. D., Covaci, A. & Pinxten, R. 2013. Can starling eggs be useful as a biomonitoring tool to study organohalogenated contaminants on a worldwide scale? Environment International 51: 141-149. VIEW
 
Evans, L. E., Ardia, D. R. & Flux, J. E. C. 2009. Breeding synchrony through social stimulation in a spatially segregated population of European starlings. Animal Behaviour 78: 671-675. VIEW
 
Flux, J.E.C. 2001. Evidence of self-limitation in wild vertebrate populations. Oikos 92: 555-557. VIEW
 
Flux, J. E. C., Bull, P. C., Zduniak, P. & Tryjanowski, P. 2009. Lack of synchrony between breeding in two neighbouring starling (Sturnus vulgaris L.) populations in New Zealand: evidence of no regional effect of the ENSO? Polish Journal of Ecology 57: 363-369. VIEW
 
Flux, J.E.C. & Flux, M. M. 1981. Population dynamics and age structure of starlings (Sturnus vulgaris) in New Zealand. New Zealand Journal of Ecology 4: 65-72. VIEW
 
Flux, J.E.C. & Flux, M. M. 1982. Artificial selection and gene flow in wild starlings, Sturnus vulgaris. Naturwissenschaften 69: 96-97. VIEW
 
King, C. M. 2015. Introduction to ‘The fertility clinic: a bird’s-eye view of our future’. New Zealand Journal of Zoology 42 : 283. VIEW

Flux portrait

About the author

After a BSc on the effect of electric fields on trout, and a PhD on the ecology of mountain hares at Aberdeen university, John Flux joined Ecology Division, DSIR, in New Zealand to study hare reproduction and behaviour in 1960. In 1966-67 he worked on hares in East Africa, and on return to New Zealand began the starling study as a side-line in 1970. An old-school naturalist, he has published notes on grouse, swallows, thrushes, blackbirds, wallabies, butterflies, fleas, ticks, cats, pigeons, possums, rats, by-the-wind-sailors, plant/bird-nest mutualism, lichens, and “Biogeographic theory and the number and habitat of moas”.
 

Image credit

Top right: Common Starting, Sturnus vulgaris © J Flux
 

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