"They are admiring the bird."

Translation: Hontī majaqis.

[Zylbath]

Why is it "hontī" and not "honte" or so? Is the accusative singular "hontī"? There is the lengthened i coming from?

[BrunoSenra]

Yes, accusative form is "-ī"in both singular and plural for solar nouns. Nominative was "hontes" (sing.) and "hontesse" (pl.). Be careful with identifying lunar vs. solar, they're usually pretty different. ;)