Migrating takes a lot out of a little bird-some warblers lose as much as 50 per cent of their body weight during the fall journey.
Stopping gives them a chance to rest, and a precious opportunity to eat (insects, mostly) so they can rebuild their depleted fat stores. If it’s very cloudy or rainy, they land and wait for clear conditions to hit the road again. Just like other migrant birds that travel at night, yellow rumps seem to orient themselves towards the North Star. There’s less air turbulence, and it’s cooler. The yellow-rumped warbler migrates at night. Consequently, some arrive as early as April, and stay as late as mid-October. Yellow-rumped (Audubons) Warbler: Medium warbler, dark-streaked, blue-gray upperparts, yellow rump and throat. They’re generalists, and can survive on berries, seeds, and even tree sap for long stretches of time. Yellow-rumped warblers also tend to spend more time in cottage country than any other member of their family. The most impressive photos from the Bird Photographer of the Year Awards This makes the yellow-rumped warbler an easy one to tick off your birding bucket list. They forage in groups, keeping to lower branches in plain sight instead of skulking in thick undergrowth. But unlike many other warblers, yellow rumps are gregarious. As with some other flashy species, their colours start to fade by the fall.īutter butts- er, yellow-rumped warblers-are hyperactive bug-eaters, often flitting about. Males not only have yellow butts, they also have stark yellow patches on the tops of their heads, in front of their wings, and above the base of their tails. That moniker would be kind of a dig for a person, but it’s affectionate-and apt-for this common, brightly-coloured bird. Distribution, Abundance, and Habitat The Yellow-rumped Warbler was found breeding across the boreal forest except for Manitobas northeastern corner (i.e., the. The yellow-rumped warbler is nicknamed “butter butt.” Rude? Nah.
0 kommentar(er)
