READ OUT LOUD. Choose which marked text you prefer to practice with - macrons in verse form, or macrons in prose order, or accent marks in prose order, or focusing on the meter. You will find materials for all of these options below. :-)
VERSE MACRONS. Here is the verse text with macrons (note the short i in nullius):
Ēn taedās celebrāns avium Rēgīna vocārat

Hospitibus redolēns sē praetulit Ūpupa stercus,

Ērexisse ferunt tumidō quam pectore cristās,

Quae stolidē gestū sē dēformante superbit,

At cuī nōn tribuī pār esse Cicōnia prīmās

Nullius ex habitū, quae quemque sequātur honestas,

PROSE MACRONS. Here is the same text with macrons written out in prose word order:
Ēn forsan avium Rēgīna taedās celebrāns aliās avēs ad haec sacra frequenter vocārat. Ūpupa stercus redolēns hospitibus sē praetulit, quod ea plūs formōsa sibī vīsa fuit. Ferunt eam cristās ērexisse, pectore tumidō; sordida, reliquās avēs prae sēsē sprēvit. Quae, gestū dēformante, stolidē sē superbit et avōs suōs iactat, sanguine rēgālī. At cuī Cicōnia prīmās dīxit tribuī nōn pār esse, cuī avī nīdus stercore olēns sit. Nullius ex habitū, sed vītae ratiōne, scīre tibī licet quae honestas quemque sequātur.
STRESS (ACCENT) MARKS. Here is the prose text with accents, plus some color-coding for the words of three or more syllables (blue: penultimate stress; red: antepenultimate stress):
En forsan ávium Regína taedas célebrans álias aves ad haec sacra frequénter vocárat. Úpupa stercus rédolens hospítibus se praétulit, quod ea plus formósa sibi visa fuit. Ferunt eam cristas erexísse, péctore túmido; sórdida, réliquas aves prae sese sprevit. Quae, gestu deformánte, stólide se supérbit et avos suos iactat, sánguine regáli. At cui Cicónia primas dixit tríbui non par esse, cui avi nidus stércore olens sit. Núllius ex hábitu, sed vitae ratióne, scire tibi licet quae honéstas quemque sequátur.
ELEGIAC COUPLET METER. Below I have used an interpunct dot · to indicate the metrical elements in each line, and a double line || to indicate the hemistichs of the pentameter line.
Ēn tae·dās cele·brāns avi·um Rē·gīna vo·cārat

Hospiti·bus redo·lēns sē· praetulit· Ūpupa ·stercus,

Ērex·isse fe·runt tumi·dō quam· pectore ·cristās,

Quae stoli·dē ges·tū sē ·dēfor·mante su·perbit,

At cuī ·nōn tribu·ī pār· esse Ci·cōnia· prīmās

Nullius ·ex habi·tū, quae ·quemque se·quātur ho·nestas,

IMAGE. Here is an illustration for the story (image source) showing a hoopoe:

What follows is an unmarked version of the prose rendering to faciliate word searches: En forsan avium Regina taedas celebrans alias aves ad haec sacra frequenter vocarat. Upupa stercus redolens hospitibus se praetulit, quod ea plus formosa sibi visa fuit. Ferunt eam cristas erexisse, pectore tumido; sordida, reliquas aves prae sese sprevit. Quae, gestu deformante, stolide se superbit et avos suos iactat, sanguine regali. At cui Ciconia primas dixit tribui non par esse, cui avi nidus stercore olens sit. Nullius ex habitu, sed vitae ratione, scire tibi licet quae honestas quemque sequatur.