Grey Currawong
Strepera versicolor
ABR description
The following is extracted from the Annual Bird Report for the twelve months to June 2017.
Uncommon, breeding resident
Seen in small numbers in forests and woodlands, with some Canberra GBS records as well.
General: Number of birds (298) far fewer than last year (499) though more than the 10YA (227) and the 30YA (192). Recorded in 50 weeks of the year, with higher proportions of records in winter (28%) and spring (32%) than in summer (17%) and autumn (22%). Reporting rate (1.5%) half that of last year (3.3%) and also well below the 10YA (4.0%) and the 30YA (6.0%). The reporting rate has undergone a long, continuous, ever-so-gentle decline from 1991’s 6.2% to last year’s 3.3%, with the sudden drop to this year’s 1.5% (lowest ever). The reporting rate was 5% or above for every year between 1991 and 2008, and below 5% every year since then. Recorded from 18% of grid cells surveyed (25% last year), lower than the 10YA (21%) and 30YA (23%). Max 8 (4 last year), mean 1.4, median 1. 6 breeding records (8 last year), more than the 10YA (4.8) and the 30YA (4.5); recorded in Sep and Oct only: first cf/25 Sep Bluetts Block GrI14 (CaJ4) and last ny/28 Oct MFNR (BoJ1).
GBS: Number of birds (96) fewer than last year (125), the 10YA (197) and the 30YA (193). Number of records (88) fewer than last year (116), the 10YA (171) and the 30YA (165). Recorded in 49 weeks (52 weeks last year), with higher proportions of records in autumn (31%) and winter (26%) than in spring and summer (both 22%). Reporting rate (3.4%) similar to last year (4.0%), though lower than the 10YA (5.4%) and the 30YA (6.1%). As with the general records, the reporting rate has fallen steadily over the last two decades. Records from 20% of sites (22% last year), a lower proportion than the 10YA (28%) and the 30YA (32%). Abundance like last year though lower than the 10YA (0.0615) and the 30YA (0.0708). Max 5, mean 1.1, median 1. No breeding records (3 last year).
Abundance
Abundance is the average number of birds of that species per survey. Where the species was observed (presence recorded) but the number of birds seen was not recorded, this is treated as a count of zero.
Abundance by year
This chart shows the abundance of Grey Currawong between 1982 and 2017. 
Abundance by month
This chart shows the monthly abundance of Grey Currawong. The blue lines show the abundance for the twelve months to June 2017 and the bars show the average abundance for the period 1982 to 2017. 
Abundance by season
This chart shows the seasonal abundance of Grey Currawong. The blue lines show the seasonal abundance for the twelve months to June 2017 and the bars show the average seasonal abundance for the period 1982 to 2017. 
Abundance data
| Month | Season | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Winter | Spring | Summer | Autumn | All | ||
| All years | |||||||||||||||||||
| All | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | ||
| Previous years | |||||||||||||||||||
| All previous years | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| Previous 30 years | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| Previous 20 years | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | ||
| 10 year groups | |||||||||||||||||||
| [2007,2017) | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | ||
| [1997,2007) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| [1987,1997) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | ||
| 5 year groups | |||||||||||||||||||
| [2012,2017) | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | ||
| [2007,2012) | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | ||
| [2002,2007) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| [1997,2002) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| [1992,1997) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| [1987,1992) | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.2 | ||
| Year | |||||||||||||||||||
| 2017 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | ||
| 2016 | 0.1 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | ||
| 2015 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | ||
| 2014 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | ||
| 2013 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | ||
| 2012 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | ||
| 2011 | 0.1 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | ||
| 2010 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | ||
| 2009 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.1 | ||
| 2008 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 2007 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | ||
| 2006 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 2005 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 2004 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.0 | 0.1 | 0.1 | ||
| 2003 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 2002 | 0.0 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 2001 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 2000 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 1999 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.3 | 0.0 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | ||
| 1998 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 1997 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | ||
| 1996 | 0.0 | 0.1 | 0.2 | 0.0 | 0.2 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 1995 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 1994 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.2 | 0.0 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 1993 | 0.1 | 0.3 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.0 | 0.2 | 0.1 | 0.1 | 0.0 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 1992 | 0.2 | 0.0 | 0.0 | 0.2 | 0.2 | 0.0 | 0.1 | 0.0 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.0 | 0.1 | 0.1 | ||
| 1991 | 0.0 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.0 | 0.1 | 0.2 | 0.0 | 0.2 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | ||
| 1990 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 1989 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | ||
| 1988 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | ||
| 1987 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | ||
| 1986 | 0.1 | 0.1 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | ||
| 1985 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.2 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | ||
| 1984 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | ||
| 1983 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | - | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | ||
| 1982 | - | 0.0 | - | 0.0 | 0.0 | 0.0 | - | 0.0 | - | 0.0 | - | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | ||
Reporting rates
Reporting rate is the proportion of all surveys in which the species was present.
Reporting rate by year
This chart shows the reporting rate of Grey Currawong each year between 1982 and 2017. 
Reporting rate by month
This chart shows the reporting rate by month of Grey Currawong. The blue lines show the reporting rate for the twelve months to June 2017 and the bars show the average reporting rate for the period 1982 to 2017. 
Reporting rate by season
This chart shows the seasonal reporting rate of Grey Currawong. The blue lines show the seasonal reporting rate for the twelve months to June 2017 and the bars show the average seasonal reporting rate for the period 1982 to 2017. 
Reporting rate data
| Month | Season | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Winter | Spring | Summer | Autumn | All | ||
| All years | |||||||||||||||||||
| All | 5.9 | 7.3 | 5.8 | 5.2 | 5.5 | 4.1 | 4.1 | 4.1 | 5.9 | 5.6 | 5.7 | 5.0 | 6.0 | 5.5 | 4.1 | 5.7 | 5.3 | ||
| Previous years | |||||||||||||||||||
| All previous years | 6.5 | 8.2 | 6.3 | 5.6 | 6.1 | 4.6 | 4.7 | 4.7 | 6.7 | 6.3 | 6.6 | 5.7 | 6.7 | 6.0 | 4.6 | 6.6 | 5.9 | ||
| Previous 30 years | 6.6 | 8.3 | 6.3 | 5.7 | 6.1 | 4.6 | 4.7 | 4.8 | 6.8 | 6.4 | 6.7 | 5.7 | 6.7 | 6.0 | 4.7 | 6.6 | 6.0 | ||
| Previous 20 years | 5.2 | 6.5 | 5.4 | 4.8 | 4.3 | 3.3 | 3.6 | 3.4 | 5.2 | 4.9 | 5.2 | 4.3 | 5.2 | 4.9 | 3.4 | 5.1 | 4.6 | ||
| 10 year groups | |||||||||||||||||||
| [2007,2017) | 5.0 | 6.6 | 5.0 | 4.6 | 3.0 | 2.5 | 2.8 | 2.4 | 4.3 | 4.4 | 4.2 | 3.4 | 4.8 | 4.4 | 2.6 | 4.3 | 4.0 | ||
| [1997,2007) | 5.7 | 6.4 | 6.3 | 5.4 | 7.0 | 4.8 | 6.2 | 5.8 | 7.4 | 6.2 | 7.6 | 6.3 | 6.1 | 6.2 | 5.5 | 7.0 | 6.2 | ||
| [1987,1997) | 11.2 | 13.5 | 10.8 | 10.8 | 12.1 | 12.1 | 10.9 | 11.7 | 15.3 | 14.2 | 12.4 | 13.0 | 12.6 | 11.2 | 11.6 | 14.0 | 12.3 | ||
| 5 year groups | |||||||||||||||||||
| [2012,2017) | 3.9 | 6.0 | 4.5 | 3.9 | 2.6 | 2.4 | 2.5 | 1.9 | 3.9 | 4.3 | 4.3 | 3.5 | 4.4 | 3.7 | 2.3 | 4.1 | 3.6 | ||
| [2007,2012) | 7.9 | 8.6 | 6.2 | 6.0 | 4.0 | 2.7 | 4.1 | 4.8 | 5.3 | 4.7 | 3.8 | 3.3 | 5.6 | 5.6 | 3.6 | 4.7 | 4.9 | ||
| [2002,2007) | 5.8 | 6.1 | 5.3 | 5.6 | 7.2 | 5.0 | 5.0 | 5.8 | 6.6 | 5.7 | 7.5 | 5.8 | 5.9 | 5.9 | 5.2 | 6.5 | 5.9 | ||
| [1997,2002) | 5.7 | 6.6 | 7.5 | 5.1 | 6.8 | 4.7 | 7.6 | 5.8 | 8.4 | 6.9 | 7.7 | 6.9 | 6.5 | 6.5 | 5.9 | 7.7 | 6.6 | ||
| [1992,1997) | 5.8 | 8.1 | 6.4 | 6.2 | 7.9 | 6.5 | 4.6 | 4.7 | 6.8 | 7.8 | 5.7 | 6.0 | 6.7 | 6.8 | 5.2 | 6.8 | 6.5 | ||
| [1987,1992) | 13.6 | 16.5 | 13.0 | 13.3 | 14.0 | 14.6 | 14.4 | 14.4 | 20.4 | 17.8 | 15.8 | 16.9 | 15.7 | 13.5 | 14.4 | 18.0 | 15.3 | ||
| Year | |||||||||||||||||||
| 2017 | 1.8 | 3.1 | 2.7 | 1.7 | 1.6 | 0.9 | 0.8 | 1.3 | 1.3 | 1.1 | 1.5 | 1.4 | 2.1 | 2.0 | 1.0 | 1.3 | 1.5 | ||
| 2016 | 4.5 | 4.0 | 4.1 | 3.1 | 3.2 | 2.8 | 2.7 | 2.3 | 3.1 | 3.9 | 3.0 | 3.4 | 4.0 | 3.5 | 2.6 | 3.4 | 3.3 | ||
| 2015 | 2.3 | 8.5 | 5.7 | 3.1 | 1.8 | 1.8 | 1.8 | 0.7 | 3.4 | 2.8 | 5.1 | 3.4 | 4.5 | 3.5 | 1.5 | 3.7 | 3.2 | ||
| 2014 | 7.3 | 7.1 | 4.4 | 4.9 | 1.9 | 2.8 | 3.0 | 1.4 | 3.6 | 3.3 | 5.1 | 2.9 | 5.1 | 4.1 | 2.5 | 3.9 | 3.7 | ||
| 2013 | 4.1 | 7.2 | 6.2 | 5.4 | 3.3 | 1.4 | 2.1 | 2.3 | 4.4 | 6.3 | 4.6 | 1.4 | 4.0 | 5.1 | 1.9 | 5.1 | 4.0 | ||
| 2012 | 2.8 | 5.9 | 1.7 | 4.0 | 2.7 | 3.8 | 2.9 | 3.4 | 7.7 | 7.2 | 6.4 | 6.3 | 5.1 | 3.1 | 3.3 | 7.2 | 4.4 | ||
| 2011 | 12.2 | 2.4 | 5.8 | 5.3 | 1.8 | 2.7 | 4.1 | 3.2 | 2.8 | 3.4 | 2.2 | 1.7 | 4.1 | 4.8 | 3.4 | 2.8 | 3.7 | ||
| 2010 | 5.2 | 8.8 | 4.9 | 5.7 | 1.9 | 2.2 | 3.9 | 3.5 | 6.3 | 3.8 | 3.9 | 2.7 | 4.7 | 4.6 | 3.0 | 4.9 | 4.3 | ||
| 2009 | 2.9 | 3.1 | 4.5 | 5.7 | 5.4 | 2.6 | 2.7 | 3.3 | 6.0 | 3.3 | 2.3 | 3.2 | 3.1 | 5.3 | 2.8 | 4.1 | 4.2 | ||
| 2008 | 12.4 | 11.3 | 7.1 | 6.5 | 6.0 | 2.7 | 5.6 | 8.3 | 6.5 | 5.9 | 5.4 | 3.3 | 8.0 | 6.6 | 4.8 | 6.0 | 6.4 | ||
| 2007 | 5.5 | 17.6 | 8.7 | 6.6 | 5.4 | 3.4 | 4.3 | 7.0 | 6.0 | 6.8 | 7.3 | 5.5 | 8.1 | 7.0 | 4.3 | 6.6 | 6.4 | ||
| 2006 | 8.6 | 5.8 | 4.0 | 7.7 | 6.5 | 2.8 | 5.6 | 8.1 | 7.3 | 5.9 | 5.8 | 3.4 | 5.4 | 6.4 | 5.3 | 6.6 | 6.0 | ||
| 2005 | 5.9 | 3.7 | 4.1 | 3.9 | 6.9 | 7.6 | 5.7 | 8.7 | 4.3 | 4.9 | 7.5 | 9.2 | 7.1 | 4.7 | 7.2 | 5.5 | 6.0 | ||
| 2004 | 4.4 | 3.9 | 4.8 | 5.8 | 8.7 | 5.5 | 3.6 | 2.0 | 3.6 | 6.6 | 7.8 | 4.3 | 4.2 | 6.3 | 4.2 | 5.6 | 5.1 | ||
| 2003 | 8.5 | 8.6 | 5.9 | 7.3 | 5.0 | 3.0 | 5.2 | 5.5 | 8.5 | 5.1 | 7.8 | 3.7 | 6.7 | 6.0 | 4.3 | 7.0 | 6.0 | ||
| 2002 | 3.4 | 8.5 | 8.0 | 1.7 | 9.0 | 5.3 | 5.0 | 4.6 | 8.6 | 6.0 | 9.4 | 7.5 | 6.3 | 6.0 | 5.1 | 7.8 | 6.2 | ||
| 2001 | 8.9 | 4.8 | 6.5 | 5.5 | 6.2 | 5.8 | 9.5 | 5.2 | 6.3 | 8.8 | 5.2 | 7.4 | 7.2 | 6.1 | 6.7 | 6.8 | 6.7 | ||
| 2000 | 2.4 | 4.6 | 10.7 | 4.4 | 5.6 | 4.3 | 8.3 | 8.6 | 11.4 | 7.1 | 10.0 | 9.1 | 5.8 | 6.8 | 6.8 | 9.5 | 7.3 | ||
| 1999 | 2.9 | 13.4 | 7.5 | 4.4 | 10.4 | 4.4 | 5.1 | 6.4 | 10.8 | 3.6 | 8.5 | 5.6 | 7.5 | 7.4 | 5.3 | 7.6 | 7.0 | ||
| 1998 | 2.7 | 3.8 | 7.3 | 3.3 | 8.0 | 5.7 | 7.4 | 1.9 | 3.2 | 15.4 | 7.4 | 4.0 | 3.6 | 6.4 | 5.3 | 6.9 | 5.7 | ||
| 1997 | 4.6 | 8.6 | 4.5 | 9.2 | 4.3 | 1.9 | 3.9 | 0.0 | 7.5 | 5.5 | 8.9 | 6.9 | 6.5 | 5.6 | 1.9 | 6.7 | 5.2 | ||
| 1996 | 6.0 | 5.3 | 12.0 | 2.6 | 12.0 | 7.1 | 1.0 | 3.5 | 6.9 | 6.2 | 6.9 | 2.3 | 4.4 | 8.4 | 3.8 | 6.7 | 5.9 | ||
| 1995 | 7.5 | 8.5 | 4.9 | 1.8 | 7.3 | 6.9 | 7.1 | 11.1 | 2.0 | 7.3 | 7.8 | 9.6 | 8.5 | 4.2 | 8.0 | 5.7 | 6.5 | ||
| 1994 | 2.0 | 6.5 | 10.3 | 9.3 | 0.7 | 10.9 | 4.4 | 3.4 | 8.0 | 8.4 | 5.0 | 7.9 | 6.0 | 5.5 | 5.8 | 7.4 | 6.2 | ||
| 1993 | 6.1 | 14.1 | 3.2 | 8.0 | 10.6 | 6.5 | 6.1 | 3.1 | 11.1 | 3.3 | 5.2 | 7.2 | 9.7 | 7.4 | 5.5 | 6.9 | 7.5 | ||
| 1992 | 6.2 | 5.6 | 2.4 | 13.8 | 13.9 | 1.6 | 5.2 | 0.0 | 7.0 | 13.6 | 3.9 | 1.7 | 4.5 | 10.0 | 2.5 | 7.8 | 6.6 | ||
| 1991 | 3.9 | 12.8 | 3.5 | 5.8 | 5.2 | 1.4 | 5.4 | 0.0 | 9.5 | 15.3 | 1.6 | 12.0 | 8.5 | 4.9 | 2.2 | 8.7 | 6.2 | ||
| 1990 | 16.1 | 18.4 | 12.9 | 6.1 | 14.0 | 5.6 | 13.9 | 12.7 | 5.7 | 8.3 | 11.0 | 18.4 | 17.5 | 11.1 | 10.7 | 8.2 | 12.7 | ||
| 1989 | 19.9 | 19.4 | 19.7 | 16.2 | 16.2 | 20.0 | 16.5 | 17.0 | 26.1 | 22.1 | 20.4 | 17.9 | 19.1 | 17.3 | 18.0 | 23.0 | 19.2 | ||
| 1988 | 12.5 | 14.9 | 10.7 | 16.8 | 14.5 | 15.9 | 18.6 | 20.0 | 30.7 | 22.5 | 21.7 | 16.4 | 14.6 | 14.4 | 18.1 | 25.0 | 17.7 | ||
| 1987 | 0.0 | 0.0 | 11.7 | 12.5 | 14.9 | 15.2 | 10.8 | 11.7 | 14.8 | 14.8 | 13.1 | 17.2 | 15.2 | 13.2 | 12.5 | 14.2 | 13.5 | ||
| 1986 | 3.8 | 7.9 | 1.9 | 8.3 | 6.4 | 2.9 | 0.0 | 0.0 | 0.0 | 3.9 | 0.0 | 0.0 | 4.0 | 5.1 | 1.1 | 1.8 | 3.2 | ||
| 1985 | 0.0 | 0.0 | 3.8 | 3.5 | 7.0 | 0.0 | 0.0 | 0.0 | 18.2 | 0.0 | 10.0 | 7.1 | 2.3 | 4.6 | 0.0 | 7.5 | 3.4 | ||
| 1984 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.4 | 0.0 | 3.7 | 0.0 | 3.2 | 0.0 | 0.0 | 0.0 | 1.4 | 2.2 | 1.3 | ||
| 1983 | 0.0 | 0.0 | 0.0 | 0.0 | 11.1 | 0.0 | 0.0 | 9.1 | 0.0 | - | 0.0 | 0.0 | 0.0 | 3.7 | 3.3 | 0.0 | 2.0 | ||
| 1982 | - | 0.0 | - | 0.0 | 0.0 | 0.0 | - | 0.0 | - | 0.0 | - | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | ||
Breeding data
Breeding records by month
Number of breeding records by breeding code and month, 2017 and all years| Breeding code | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | ||||||||||||
| Breeding (BLA code) | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Carrying Food | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Copulating | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Display | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dependent young | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Faecal sac | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Inspecting hollow | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nest building | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nest with eggs | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nest with young | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| On/leaving nest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| All years | ||||||||||||
| Breeding (BLA code) | 0 | 0 | 0 | 2 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
| Carrying Food | 0 | 0 | 3 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Copulating | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Display | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dependent young | 0 | 1 | 0 | 20 | 14 | 18 | 13 | 5 | 0 | 0 | 0 | 0 |
| Faecal sac | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Inspecting hollow | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nest building | 1 | 6 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nest with eggs | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nest with young | 0 | 0 | 4 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| On/leaving nest | 1 | 1 | 12 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Breeding records by year
Average number of breeding records per period by breeding code| Period | Breeding (BLA code) | Carrying Food | Copulating | Display | Dependent young | Faecal sac | Inspecting hollow | Nest building | Nest with eggs | Nest with young | On/leaving nest |
|---|---|---|---|---|---|---|---|---|---|---|---|
| All years | |||||||||||
| All | 0.2 | 0.4 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 0.4 | 0.1 | 0.4 | 0.5 |
| Previous years | |||||||||||
| All previous years | 0.2 | 0.3 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 0.4 | 0.1 | 0.4 | 0.5 |
| Previous 30 years | 0.2 | 0.4 | 0.0 | 0.0 | 2.3 | 0.0 | 0.0 | 0.5 | 0.1 | 0.4 | 0.6 |
| Previous 20 years | 0.3 | 0.4 | 0.0 | 0.0 | 1.9 | 0.0 | 0.0 | 0.3 | 0.0 | 0.3 | 0.8 |
| 10 year groups | |||||||||||
| [2007,2017) | 0.5 | 0.5 | 0.0 | 0.0 | 2.1 | 0.0 | 0.0 | 0.3 | 0.0 | 0.4 | 1.0 |
| [1997,2007) | 0.1 | 0.3 | 0.0 | 0.0 | 1.7 | 0.0 | 0.0 | 0.3 | 0.0 | 0.2 | 0.5 |
| [1987,1997) | 0.0 | 0.3 | 0.0 | 0.0 | 3.1 | 0.0 | 0.0 | 0.8 | 0.4 | 0.7 | 0.4 |
| 5 year groups | |||||||||||
| [2012,2017) | 0.4 | 0.4 | 0.0 | 0.0 | 2.4 | 0.0 | 0.0 | 0.2 | 0.0 | 0.2 | 1.2 |
| [2007,2012) | 0.6 | 0.6 | 0.0 | 0.0 | 1.8 | 0.0 | 0.0 | 0.4 | 0.0 | 0.6 | 0.8 |
| [2002,2007) | 0.0 | 0.2 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.2 | 0.0 | 0.2 | 0.4 |
| [1997,2002) | 0.2 | 0.4 | 0.0 | 0.0 | 2.4 | 0.0 | 0.0 | 0.4 | 0.0 | 0.2 | 0.6 |
| [1992,1997) | 0.0 | 0.2 | 0.0 | 0.0 | 0.4 | 0.0 | 0.0 | 0.4 | 0.0 | 0.4 | 0.8 |
| [1987,1992) | 0.0 | 0.4 | 0.0 | 0.0 | 5.8 | 0.0 | 0.0 | 1.2 | 0.8 | 1.0 | 0.0 |
| Year | |||||||||||
| 2017 | 1.0 | 3.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 | 0.0 |
| 2016 | 1.0 | 1.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.0 |
| 2015 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 |
| 2014 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2013 | 0.0 | 0.0 | 0.0 | 0.0 | 6.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 |
| 2012 | 1.0 | 0.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 |
| 2011 | 1.0 | 0.0 | 0.0 | 0.0 | 3.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 |
| 2010 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2009 | 2.0 | 1.0 | 0.0 | 0.0 | 3.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 |
| 2008 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 | 0.0 | 2.0 | 4.0 |
| 2007 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2006 | 0.0 | 0.0 | 0.0 | 0.0 | 3.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2005 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2004 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 | 0.0 | 1.0 | 2.0 |
| 2003 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2002 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2001 | 1.0 | 0.0 | 0.0 | 0.0 | 6.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 2.0 |
| 2000 | 0.0 | 1.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1999 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 |
| 1998 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1997 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 1.0 |
| 1996 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 |
| 1995 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 2.0 |
| 1994 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1993 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 1.0 |
| 1992 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1991 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 |
| 1990 | 0.0 | 0.0 | 0.0 | 0.0 | 3.0 | 0.0 | 0.0 | 1.0 | 0.0 | 1.0 | 0.0 |
| 1989 | 0.0 | 1.0 | 0.0 | 0.0 | 5.0 | 0.0 | 0.0 | 2.0 | 4.0 | 1.0 | 0.0 |
| 1988 | 0.0 | 0.0 | 0.0 | 0.0 | 8.0 | 0.0 | 0.0 | 2.0 | 0.0 | 2.0 | 0.0 |
| 1987 | 0.0 | 0.0 | 0.0 | 0.0 | 13.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 |
| 1986 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1985 | 0.0 | 1.0 | 0.0 | 0.0 | 2.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1984 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1983 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1982 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Distribution map
Distribution - 2017
This map shows the observed distribution of the Grey Currawong for 2017.
The red circles are the grid cells where Grey Currawong have been reported.
The transparency of the red circles indicate how many surveys sheets were submitted for that grid cell; the darker the red the more reliable the data. Of the 315 grid cells with reports, 83 had only one sheet; an example is grid number K25.
The size of the circle represents the reporting rate. The maximum reporting rate for Grey Currawong was 100.0% (eg grid number K25) and the minimum was 0.2% (eg grid number L13). 
Distribution - all years
This map shows the observed distribution of the Grey Currawong for all years.
The red circles are the grid cells where Grey Currawong have been reported.
The transparency of the red circles indicate how many surveys sheets were submitted for that grid cell; the darker the red the more reliable the data. Of the 703 grid cells with reports, 55 had only one sheet; an example is grid number A5.
The size of the circle represents the reporting rate. The maximum reporting rate for Grey Currawong was 100.0% (eg grid number A5) and the minimum was 0.1% (eg grid number Z1). 
Breeding map
Breeding - 2017
This map shows the breeding distribution of the Grey Currawong for 2017.
The red circles are the grid cells where breeding activity for Grey Currawong have been reported.
The size of the circle represents the number of reports. 
Breeding - all years
This map shows the breeding distribution of the Grey Currawong for all years.
The red circles are the grid cells where breeding activity for Grey Currawong have been reported.
The size of the circle represents the number of reports. 