Author of the article: National Post View Publishing date: May 01, 2021 • 13 hours ago • 4 minute read • Vehicle lights are seen as commuters travel into Toronto on the Gardiner Expressway in the early morning hours of Jan. 27, 2017. Highway 413 is needed north of the GTA to ease congestion and facilitate growth. Photo by Frank Gunn/The Canadian Press Article content If a history is ever written on the saga of Canada’s efforts to build the Trans Mountain pipeline, there will have to be a chapter labelled “H for Hummingbirds.” Construction of the pipeline has been ordered delayed for four months after members of the Community Nest Finding Network in Burnaby B.C. spotted a worker cutting down a tree containing a nest belonging to a species known as Anna’s hummingbird. Federal wildlife officers were alerted, which led to Environment and Climate Change Canada ordering the halt on the basis that “cutting vegetation and trees or carrying out other disruptive activities such as bulldozing or using chainsaws and heavy machinery in the vicinity of active nests will likely result in disturbance or destruction of those nests.”