Percent change in counts for 14 garden bird counts for the last 10 years (2009-19) and 5 years (2014-19) at four spatial scales: national, regional (R), territorial authority (T) and urban-rural (U) area as defined by Statistics NZ 2019 spatial layers. Median and 80% confidence intervals (10% and 90% quantiles) are provided, along with the trend size and strength of evidence categories (see NZGBS 2019 trend analysis methods report for categorisation criteria).
Citation: Brandt AJ, MacLeod CJ, Howard S, Gormley AM, Spurr EB. 2020. State of NZ Garden Birds 2019 | Te Ahua o nga Manu o te Kari i Aotearoa. Manaaki Whenua - Landcare Research, Lincoln. ISBN 978-0-947525-67-5.