Nick Jr. UK - Up Next Bumpers (2001-2002)
These were up nexts used for certain shows, using real animals as the focus. These were used in the USA at some point but were also in the UK.
The first 4 recordings (Astro Farm, Thomas, Mr Men, Bananas in Pajamas) were from HalfbrickVHS on YouTube, and the last one (Little Bill) was from Mrhammadmossop1988 Ul-Haq on archive.org.