We take many options to stop and reflect, birds use perching as a way to roost overnight or take a break from flight perhaps do a little preening and cleaning on their feathers.
Exceptionally good balance the wrap their toes around the right sized perch to enjoy time out, a temporary resting place, or vantage point in busy daily schedule.
Opportunity is a bird that never perches. - Claude Maxwell MacDonald
Gliding in, landing on a limb of the tree with extreme accuracy and precision in flight. Foot of Passerine or Perching bird is three toes directed forward one toe backward like the common Sparrow found almost everywhere in the world, making easier to perch upright on branches.
Some interesting information to read Origin Of Perching Birds and Passeriformes - iNaturalist
Those who do have caged birds not something appealing to me personally, be sure to purchase the right thickness or variety of perches the bird species enjoy exercising their time out or within sleeping area.
Big birds have obviously also evolved to perching where they feel comfortable more often a vantage point with excellent sight to find prey below.
@nelinoeva PERCHINGFeathered Friends Community gratitude to 
All photography and stories are my own, some photography around the home some away on holidays, thanks for reading and being here.
Thought for Today: "Peace is costly but it is worth the expense." - African Proverb
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