Marcel Eens
Personal Home Page
http://www.medelec.ua.ac.be/main.aspx?c=*RESTOP&n=3117&ct=000445&e=5592
Articles in Scholarly Journals [Incomplete List]
- Phenotypic correlates of digit ratio in a wild bird: implications for the study of maternal effects
Animal Behaviour, vol. 74, no. 3, pp. 641–647, 2007 - PFOS levels in the blood and liver of a small insectivorous songbird near a fluorochemical plant
Environment International, vol. 33, no. 3, pp. 357–361, 2007 - Plasma testosterone levels of male European starlings (Sturnus vulgaris) during the breeding cycle and in relation to song and paternal care
Behaviour, vol. 144, no. 4, pp. 393–410, 2007 - Kinetics of primary antibody responses to sheep red blood cells in birds: a literature review and new data from great tits and European starlings
Animal Biology, vol. 57, no. 1, pp. 79–95, 2007 - Seasonal singing patterns and individual consistency in song activity in female European starlings (Sturnus vulgaris)
Behaviour, vol. 144, no. 6, pp. 663–680, 2007 - Age-Dependent Expression of Song in the Collared Flycatcher, Ficedula albicollis
Ethology, vol. 113, no. 3, pp. 246–256, 2007 - Calcium availability influences lead accumulation in a passerine bird
Animal Biology, vol. 56, no. 3, pp. 289–298, 2006 - Indicators of physiological stress and the elaboration of sexual traits in the collared flycatcher
Behavioral Ecology, vol. 17, no. 3, pp. 399–404, 2006 - The evolution of song in female birds in Europe
Behavioral Ecology, vol. 18, no. 1, pp. 86–96, 2006 - Effects of heavy metal exposure on the condition and health of adult great tits (Parus major)
Environmental Pollution, vol. 140, no. 1, pp. 71–78, 2006 - In vivo MR imaging of the seasonal volumetric and functional plasticity of song control nuclei in relation to song output in a female songbird
NeuroImage, vol. 31, no. 3, pp. 981–992, 2006 - Heterospecific song matching in two closely related songbirds (Parus major and P. caeruleus): great tits match blue tits but not vice versa
Behavioral Ecology and Sociobiology, vol. 60, no. 2, pp. 260–269, 2006 - Can predatory bird feathers be used as a non-destructive biomonitoring tool of organic pollutants?
Biology Letters, vol. 2, no. 2, pp. 283–285, 2006 - Environmental Science & Technology, vol. 40, no. 17, pp. 5297–5303, 2006
- Determinants of male territorial behavior in a Hungarian collared flycatcher population: plumage traits of residents and challengers
Behavioral Ecology and Sociobiology, vol. 60, no. 5, pp. 663–671, 2006 - A link between eumelanism and calcium physiology in the barn owl
Naturwissenschaften, vol. 93, no. 9, pp. 426–430, 2006 - Evaluation of biochemical effects related to perfluorooctane sulfonic acid exposure in organohalogen-contaminated great tit () and blue tit () nestlings
Chemosphere, vol. 61, no. 11, pp. 1558–1569, 2005 - Experimental removal of the male parent negatively affects growth and immunocompetence in nestling great tits
Oecologia, vol. 145, no. 4, pp. 670–670, 2005 - Heavy metal pollution affects dawn singing behaviour in a small passerine bird
Oecologia, vol. 145, no. 3, pp. 504–509, 2005 - Fish community responses to metal pollution
Environmental Pollution, vol. 138, no. 2, pp. 338–349, 2005 - The reproductive success and quality of blue tits () in a heavy metal pollution gradient
Environmental Pollution, vol. 136, no. 2, pp. 243–251, 2005 - The combined effect of lead exposure and high or low dietary calcium on health and immunocompetence in the zebra finch ()
Environmental Pollution, vol. 134, no. 1, pp. 123–132, 2005 - Simultaneous treatment with an aromatase inhibitor and an anti-androgen decreases the likelihood of dawn song in free-living male great tits,
Hormones and Behavior, vol. 48, no. 2, pp. 243–251, 2005 - Brominated flame retardants and organochlorine pollutants in eggs of little owls () from Belgium
Environmental Pollution, vol. 136, no. 1, pp. 81–88, 2005 - Evidence for Opioid Involvement in the Regulation of Song Production in Male European Starlings (Sturnus vulgaris).
Behavioral Neuroscience, vol. 119, no. 1, Article ID 2005-01705-023, 10 pages, 2005 - FEATHERS AS A NONDESTRUCTIVE BIOMONITOR FOR PERSISTENT ORGANIC POLLUTANTS
Environmental Toxicology and Chemistry, vol. 24, no. 2, p. 442, 2005 - Sperm competition and sexually size dimorphic brains in birds
Proceedings of the Royal Society B: Biological Sciences, vol. 272, no. 1559, pp. 159–166, 2005 - Unravelling animal personalities: how and why individuals consistently differ
Behaviour, vol. 142, no. 9, pp. 1149–1157, 2005 - Complex female vocal behaviour of great and blue tits inside the nesting cavity
Behaviour, vol. 142, no. 4, pp. 489–506, 2005 - Age-dependent health status and song characteristics in the barn swallow
Behavioral Ecology, vol. 16, no. 3, pp. 580–591, 2005 - FEMALE SONG IN EUROPEAN STARLINGS: SEX DIFFERENCES, COMPLEXITY, AND COMPOSITION
The Condor, vol. 107, no. 3, p. 559, 2005 - The evolution of hippocampus volume and brain size in relation to food hoarding in birds
Ecology Letters, vol. 7, no. 12, pp. 1216–1224, 2004 - Opposite Changes in Plasma Testosterone and Corticosterone Levels Following a Simulated Territorial Challenge in Male Great Tits
Behaviour, vol. 141, no. 4, pp. 451–467, 2004 - Sexually size dimorphic brains and song complexity in passerine birds
Behavioral Ecology, vol. 16, no. 2, pp. 335–345, 2004 - Relationships between metal concentrations in great tit nestlings and their environment and food
Environmental Pollution, vol. 131, no. 3, pp. 373–380, 2004 - The use of genetic tools for the evaluation of a potential migration barrier for the bullhead
Journal of Fish Biology, vol. 64, no. 6, pp. 1737–1744, 2004 - Relationship between population size and genetic diversity in endangered populations of the European bullhead (Cottus gobio): implications for conservation
Biological Conservation, vol. 115, no. 3, pp. 403–410, 2004 - Differential effects of testosterone on neuronal populations and their connections in a sensorimotor brain nucleus controlling song production in songbirds: a manganese enhanced-magnetic resonance imaging study
NeuroImage, vol. 21, no. 3, pp. 914–923, 2004 - The effect of heavy metal exposure on egg size, eggshell thickness and the number of spermatozoa in blue tit Parus caeruleus eggs
Environmental Pollution, vol. 129, no. 1, pp. 125–129, 2004 - Urinary testosterone-metabolite levels and dominance rank in male and female bonobos ( Pan paniscus )
Primates, vol. 45, no. 2, pp. 89–96, 2004 - Effect of spatial crowding on aggressive behavior in a bonobo colony
Zoo Biology, vol. 23, no. 5, pp. 383–395, 2004 - Urinary testosterone metabolite levels and aggressive behaviors in male and female bonobos(Pan paniscus)
Aggressive Behavior, vol. 30, no. 5, pp. 425–434, 2004 - Brain space for a learned task: strong intraspecific evidence for neural correlates of singing behavior in songbirds
Brain Research Reviews, vol. 44, no. 2-3, pp. 187–193, 2004 - Estimating the complexity of bird song by using capture-recapture approaches from community ecology
Behavioral Ecology and Sociobiology, vol. 57, no. 4, pp. 305–317, 2004 - INTERACTIVE COMMUNICATION BETWEEN MALE AND FEMALE GREAT TITS (PARUS MAJOR) DURING THE DAWN CHORUS
The Auk, vol. 121, no. 1, p. 184, 2004 - Urinary Testosterone Metabolite Levels in Captive Bonobos: Relationship with Age
Folia Primatologica, vol. 75, no. 2, pp. 107–110, 2004 - Great Tit ( Parus major ) Nestlings as Biomonitors of Organochlorine Pollution
Archives of Environmental Contamination and Toxicology, vol. 44, no. 1, pp. 89–96, 2003 - Effects of Heavy Metal Exposure on Aggressive Behavior in a Small Territorial Songbird
Archives of Environmental Contamination and Toxicology, vol. 45, no. 1, pp. 121–127, 2003 - Castration does not decrease nonreproductive aggression in yearling male European starlings (Sturnus vulgaris)
Hormones and Behavior, vol. 43, no. 3, pp. 394–401, 2003 - Are corticosterone levels a good indicator of food availability and reproductive performance in a kittiwake colony?
Hormones and Behavior, vol. 43, no. 4, pp. 489–502, 2003 - Variation of heavy metals within and among feathers of birds of prey: effects of molt and external contamination
Environmental Pollution, vol. 124, no. 3, pp. 429–436, 2003 - Effects of heavy metal exposure on the condition and health of nestlings of the great tit (Parus major), a small songbird species
Environmental Pollution, vol. 126, no. 2, pp. 267–274, 2003 - Effect of age and testosterone on autumnal neurogenesis in male European starlings (Sturnus vulgaris)
Behavioural Brain Research, vol. 143, no. 1, pp. 15–30, 2003 - Conservation Genetics, vol. 4, no. 2, pp. 129–140, 2003
- Seasonal fluctuations in plasma testosterone levels and diurnal song activity in free-living male great tits
General and Comparative Endocrinology, vol. 134, no. 1, pp. 1–9, 2003 - Female presence affects male behavior and testosterone levels in the European starling (Sturnus vulgaris)
Hormones and Behavior, vol. 44, no. 2, pp. 103–109, 2003 - Urinary Testosterone Metabolite Levels in Bonobos: A Comparison with Chimpanzees in Relation to Social System
Behaviour, vol. 140, no. 5, pp. 683–696, 2003 - BREEDING PERFORMANCE OF GREAT TITS (PARUS MAJOR) ALONG A GRADIENT OF HEAVY METAL POLLUTION
Environmental Toxicology and Chemistry, vol. 22, no. 5, p. 1140, 2003 - In vivo manganese-enhanced magnetic resonance imaging reveals connections and functional properties of the songbird vocal control system
Neuroscience, vol. 112, no. 2, pp. 467–474, 2002 - SHORT- AND LONG-TERM EFFECTS OF MALE-LIKE CONCENTRATIONS OF TESTOSTERONE ON FEMALE EUROPEAN STARLINGS (STURNUS VULGARIS)
The Auk, vol. 119, no. 2, p. 487, 2002 - Genetic diversity and condition factor: a significant relationship in Flemish but not in German populations of the European bullhead (Cottus gobio L.)
Heredity, vol. 89, no. 4, pp. 280–287, 2002 - Seasonal changes in the densities of ?2-noradrenergic receptors are inversely related to changes in testosterone and the volumes of song control nuclei in male European starlings
The Journal of Comparative Neurology, vol. 444, no. 1, pp. 63–74, 2002 - Context-Dependent Effects of Castration and Testosterone Treatment on Song in Male European Starlings
Hormones and Behavior, vol. 42, no. 3, pp. 307–318, 2002 - Effects of Testosterone on Song, Aggression, and Nestling Feeding Behavior in Male Great Tits, Parus major
Hormones and Behavior, vol. 41, no. 2, pp. 178–186, 2002 - HEAVY METALS AND SELENIUM IN FEATHERS OF GREAT TITS (PARUS MAJOR) ALONG A POLLUTION GRADIENT
Environmental Toxicology and Chemistry, vol. 20, no. 12, p. 2815, 2001 - Sex-role reversal in vertebrates: behavioural and endocrinological accounts
Behavioural Processes, vol. 51, no. 1-3, pp. 135–147, 2000 - THE EFFECT OF CASTRATION ON AGGRESSION IN THE NONBREEDING SEASON IS AGE-DEPENDENT IN MALE EUROPEAN STARLINGS
Behaviour, vol. 137, no. 5, pp. 647–661, 2000 - DOES TESTOSTERONE AFFECT THE TRADE-OFF BETWEEN INVESTMENT IN SEXUAL/TERRITORIAL BEHAVIOUR AND PARENTAL CARE IN MALE GREAT TITS?
Behaviour, vol. 137, no. 11, pp. 1503–1515, 2000 - Seasonal Changes in Courtship Song and the Medial Preoptic Area in Male European Starlings (Sturnus vulgaris)
Hormones and Behavior, vol. 38, no. 4, pp. 250–261, 2000 - Shield Characteristics Are Testosterone-Dependent in Both Male and Female Moorhens
Hormones and Behavior, vol. 37, no. 2, pp. 126–134, 2000 - Great and Blue Tits as Indicators of Heavy Metal Contamination in Terrestrial Ecosystems
Ecotoxicology and Environmental Safety, vol. 44, no. 1, pp. 81–85, 1999 - Responses of Male Spotless Starlings Sturnus unicolor to Experimental Intraspecific Nest Parasitism Vary in Relation to the Nesting Stage
Journal of Avian Biology, vol. 30, no. 1, p. 122, 1999 - Female song for mate attraction: an overlooked phenomenon?
Trends in Ecology & Evolution, vol. 13, no. 8, pp. 322–323, 1998 - Copulation and mate-guarding patterns in polygynous European starlings,
Animal Behaviour, vol. 54, no. 1, pp. 45–58, 1997 - Female European starlings increase their copulation solicitation rate when faced with the risk of polygyny
Animal Behaviour, vol. 51, no. 5, pp. 1141–1147, 1996 - Age- and behavior-related variation in volumes of song control nuclei in male European starlings
Journal of Neurobiology, vol. 30, no. 3, pp. 329–339, 1996 - Do female tree swallows guard their mates by copulating frequently? A comment on Whittingham et al.
Animal Behaviour, vol. 50, no. 1, pp. 273–276, 1995 - Intraspecific Brood Parasitism in Two Tit Parus species: Occurrence and Responses to Experimental Parasitism
Journal of Avian Biology, vol. 26, no. 2, p. 114, 1995 - Mate Desertion by Primary Female European Starlings at the End of the Nestling Stage
Journal of Avian Biology, vol. 26, no. 3, p. 267, 1995 - Song learning in captive European starlings, Sturnus vulgaris
Animal Behaviour, vol. 44, no. 6, pp. 1131–1143, 1992 - Intermediate clutches in the Starling (Sturnus vulgaris): replacement clutches, additional clutches of polygynous males or late first clutches?
Journal of Ornithology, vol. 131, no. 2, pp. 141–150, 1990