Habitat use and population dynamics of the Azure-Winged Magpie ...

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Figure 3.16 Number of individuals that attempted breeding (including unbanded birds) between 2007 and 2010 and the number of individuals that successfully fledged chicks. Regression lines were fitted for each categories, i.e. individuals that attempted breeding each year and breeders that successfully fledged chicks each year. Proportion (%) of breeders No. of individuals 100 90 80 70 60 50 40 30 20 10 25 20 15 10 0 5 0 2007 2008 2009 2010 2007 2008 2009 2010 Figure 3.17 Proportion of breeders which were successful and unsuccessful in fledging chicks (including unbanded birds) between 2007 and 2010. 52 Individuals that attempted breeding Breeders succesfully fledged chicks Successful Unsuccessful
3.3.5 Pair-bond retentions Due to the short period of data collection (four years) and high number of pairings involving unidentified mates (Table 3.11), I did not attempt to analyse pair-bond retention. However, I did collect the following observations on pair-bonds. Out of the 29 pairs (that had at least one banded individual) known to have bred between 2007 and 2010, 22 pairs had at least one pair member that attempted breeding in more than one season (Table 3.11). Of these 22 pairs with recurring breeders, we can only tell for certain that two pairs (7785309/7542752 and7785310/7785029) stayed together for two breeding seasons (2008 and 2009). Females from both of these pairs were successful in breeding and raising chicks in 2008, but only 7785310 was successful in 2009. Neither female was seen in 2010. Female 7785308 had a different mate for each of the 2007, 2008 and 2010 breeding seasons (Table 3.11). The mate from 2007 was present in 2008, indicating a mate replacement that wasn’t due to the death of the male. This mate swap occurred despite the fact that 7785308 bred successfully in 2007 (but not in 2008). Neither mate from 2007 nor 2008 was seen in 2010 (Table 3.11). Female 7719502 changed mates in 2008, but because her mate in both 2008 and 2009 was unbanded, a mate change can neither be confirmed nor ruled out. Her 2007 mate was present in 2008 but he paired with another female (Table 3.11). 7719502 bred successfully in 2007 and 2008, but died in 2009 whilst incubating. 7785303 and 7785028 both changed mates in 2009 (Table 3.11). They bred successfully in 2008. As 7785029 was only banded in 2008, we are unable to tell if he was the unbanded male of 2007 and mate of 7785310 that year. Out of the six identified females that we knew had bred successfully for more than one season between 2007 and 2010, only two were known to maintain their mates from the previous year (Table 3.12). There were two cases of ‘divorce’ between 2007 and 2008 (both 7719502 and 7785308 had new mates). Additionally, between 2008 and 2009 or 2010 two females (7785028 and 7785308) obtained new mates –their previous mates were not sighted. There was one unknown case because the female (7719502) had an unknown mate in both 2009 and 2008; and one case (7785303) of either ‘divorce’ or ‘widowed’ occurred between 2008 and 2009 because the 2008 mate was unbanded and so I was unable to tell if it was present in 2009 (Table 3.11). 53
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Copyright Statement Lincoln Univers
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The Azure-winged Magpie Cyanopica c
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proportions of banded adults and ju
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Table of Contents Abstract ........
Page 9 and 10:
List of Tables Table 2.1 Definition
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Figure 3.9 Proportion of time spent
Page 13 and 14: 1.1 Impact and effects of fire Chap
Page 15 and 16: In contrast to the arguments above,
Page 17 and 18: capacity will result in increased i
Page 19 and 20: The subject of this study, Cyanopic
Page 21 and 22: Chapter 2 Methods 2.1 General Infor
Page 23 and 24: The extreme disjunct distribution o
Page 25 and 26: The IUCN lists Cyanopica cyanus as
Page 27 and 28: Clutches range from four to eleven
Page 29 and 30: logging set up a makeshift camp ca.
Page 31 and 32: 2.2.2 Cyanopica cyanus in Khonin Nu
Page 33 and 34: 2.3 Methods 2.3.1 Data collection H
Page 35 and 36: If the group moved on to another ar
Page 37 and 38: Population Dynamics Nest predation
Page 39 and 40: I investigated the similarities of
Page 41 and 42: I performed a Chi-Square Test of As
Page 43 and 44: Figure 3.2 Home range of Cyanopica
Page 45 and 46: Kassel The area used by the birds i
Page 47 and 48: 2007. It is also the primary night
Page 49 and 50: (a) (b) Figure 3.6 Detailed map of
Page 51 and 52: significantly from 9% in 2009 to 15
Page 53 and 54: observed individuals in Betula plat
Page 55 and 56: 3.3 Population Dynamics 3.3.1 Frequ
Page 57 and 58: Table 3.6 Life history of individua
Page 59 and 60: Number of individuals 60 50 40 30 2
Page 61 and 62: Proportion (%) of individuals re-si
Page 63: 3.3.4 Breeding individuals Out of t
Page 67 and 68: Table 3.12 Banded females and known
Page 69 and 70: Proportion (%) of individuals 80 70
Page 71 and 72: coordinate system. However, the res
Page 73 and 74: (Dendrocopus spp. and Picus canus)
Page 75 and 76: also be useful for further studies
Page 77 and 78: Cyanopica cyanus respond to aerial
Page 79 and 80: e explained by the formula which us
Page 81 and 82: Breeding individuals, pair-bonds, s
Page 83 and 84: UNICEF, 2010). This event and the f
Page 85 and 86: (Bayartaa et al., 2007). In Norther
Page 87 and 88: This study provides a baseline for
Page 89 and 90: BirdLife International. (2009). Cya
Page 91 and 92: Ford, H.A. (1989) Ecology of Birds:
Page 93 and 94: Kirkpatrick, C. & Conway, C. (2010)
Page 95 and 96: Pryde, M.A. (2003) Using Program 'M
Page 97 and 98: Valendik, E.N., Ivanova, G.A., Chul
Page 99 and 100: Appendix A Datasheet for observatio
Page 101 and 102: Gypsy Moth, Lymantria dispar larvae
Page 103 and 104: The author coming back from a day i
Page 105: Dense Padus asiatica form a ‘cano
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