Baby tyrannosaurs dinosaurs were the ‘size of a Border Collie’

.css-hiczm3-InlineLink:link{color:#3F3F42;}.css-hiczm3-InlineLink:visited{color:#696969;}.css-hiczm3-InlineLink:link,.css-hiczm3-InlineLink:visited{font-weight:700;border-bottom:1px solid #BABABA;-webkit-text-decoration:none;text-decoration:none;}@supports (text-underline-offset:0.25em){.css-hiczm3-InlineLink:link,.css-hiczm3-InlineLink:visited{border-bottom:none;-webkit-text-decoration:underline #BABABA;text-decoration:underline #BABABA;-webkit-text-decoration-thickness:1px;text-decoration-thickness:1px;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none;text-underline-offset:0.25em;}}.css-hiczm3-InlineLink:link:hover,.css-hiczm3-InlineLink:visited:hover,.css-hiczm3-InlineLink:link:focus,.css-hiczm3-InlineLink:visited:focus{border-bottom-color:currentcolor;border-bottom-width:2px;-webkit-text-decoration-color:currentcolor;text-decoration-color:currentcolor;-webkit-text-decoration-thickness:2px;text-decoration-thickness:2px;color:#B80000;}The study is published in the Canadian Journal of Earth Sciences and was supported by the Royal Society, Natural Sciences and Engineering Research Council of Canada, and National Science Foundation.

Source