Is Bird Masculine or Feminine in Spanish? Pájaros y aves

In Spanish, the most common word for bird is 'pájaro,' and it is masculine. If you are wondering about Duolingo’s bird mascot, you can treat it as a friendly character, but the idea of its gender varies by context bird is masculine. You say 'el pájaro' (the bird) and 'un pájaro' (a bird). In French, grammatical gender works differently, so you typically focus on the noun’s gender, not the Spanish one is bird feminine or masculine in French. The other main word, 'ave,' is feminine, so it takes 'la ave' or more correctly 'el ave' in the singular (because of a special rule for feminine nouns starting with a stressed 'a'), and 'unas aves' in the plural. If you are just starting out, use 'pájaro' for everyday conversation and 'ave' when you want a more formal or scientific tone.

Which word should you actually use: pájaro or ave?

Both words translate as 'bird' in English, but they are not interchangeable in every situation. Choosing the right one is less about grammar and more about context and register.

'Pájaro' is the everyday word. You would use it the same way an English speaker casually says 'bird.' It often implies a small perching bird (what the RAE calls an 'ave pequeña'), and it shows up in figurative expressions, pet talk, and general conversation. It is also the word you will hear in most Latin American countries for a common garden bird.

'Ave' is broader and more formal. It refers to the entire biological class of birds, so you will see it in field guides, nature documentaries, zoology texts, and phrases like 'ave de paso' (migratory bird, or figuratively, someone who never stays long). It covers large birds as naturally as small ones. If you are talking about, say, an eagle or a flamingo in a scientific or descriptive context, 'ave' fits better than 'pájaro.'

How to get the articles and adjectives right

Spanish articles and adjectives must agree in gender and number with the noun. Since 'pájaro' is masculine singular, everything around it takes masculine forms. Since 'ave' is feminine, everything agrees in the feminine, with one tricky exception explained below.

The 'el ave' rule (and why it looks masculine but is not)

Here is the part that trips up even intermediate learners. 'Ave' is feminine, but in the singular it takes the article 'el' instead of 'la.' This happens because 'ave' begins with a stressed 'a' sound (the stress falls on the first syllable: AH-veh). Spanish has a phonetic rule that swaps 'la' for 'el' before any feminine singular noun starting with a stressed 'a' or 'ha,' purely to avoid the awkward clashing of two 'a' sounds running together. So you say 'el ave,' not 'la ave.' In the plural this rule does not apply, so it is 'las aves.' Any adjective you add still takes the feminine form: 'el ave pequeña,' not 'el ave pequeño.'

Adjective agreement at a glance

• un pájaro pequeño (a small bird, masculine singular)
• unos pájaros pequeños (some small birds, masculine plural)
• el ave pequeña (the small bird, feminine singular with special article)
• las aves pequeñas (the small birds, feminine plural)

Example phrases you can copy right now

These sentences go from simple to more natural-sounding Spanish. They cover the scenarios where learners most often need to get the gender right: describing a bird, giving it an adjective, asking about it, and using it in a phrase.

1. El pájaro canta. (The bird is singing.) — basic masculine singular.
2. Vi un pájaro azul en el jardín. (I saw a blue bird in the garden.) — adjective 'azul' is invariable, but 'un' is masculine.
3. Tengo un pájaro como mascota. (I have a bird as a pet.) — useful for pet owners.
4. El ave migra cada año. (The bird migrates every year.) — feminine noun, special singular article.
5. Las aves del parque son hermosas. (The birds in the park are beautiful.) — plural feminine, standard 'las.'
6. ¡Qué pájaro tan bonito! (What a beautiful bird!) — 'bonito' matches masculine 'pájaro.'
7. El ibis es un ave zancuda. (The ibis is a wading bird.) — 'ibis' is masculine (el ibis), but 'ave' here is feminine.
8. Es un pájaro de mal agüero. (It is a bird of ill omen.) — common figurative phrase with 'pájaro.'
9. El ave de paso no dura en el nido. (A migratory bird does not linger in the nest.) — idiomatic use of 'ave.'

Common mistakes and how to dodge them

Most errors come from three sources: carrying over English habits, forgetting the 'el ave' rule, and mixing up article gender when a specific bird species has a different grammatical gender than you expect.

• Saying 'la pájaro': 'pájaro' is masculine, so this is always wrong. It is 'el pájaro,' full stop.
• Saying 'la ave': Phonetically awkward and grammatically incorrect in the singular. Use 'el ave' for singular, 'las aves' for plural.
• Adding a masculine adjective to 'ave': Because you see 'el' in front of 'ave,' it can feel masculine. Remember: 'el ave pequeña,' not 'el ave pequeño.'
• Treating all bird species names as masculine: Many specific bird names are feminine. 'La grulla' (the crane) and 'la golondrina' (the swallow) are feminine regardless of the bird's sex. Check each species name individually.
• Confusing biological sex with grammatical gender: 'El pavo' is a tom turkey, 'la pava' is a hen turkey. But grammatical gender in Spanish is a property of the word, not always the creature's sex.
• Pronouncing 'pájaro' on the wrong syllable: The stress falls on the first syllable: PÁ-ja-ro (esdrújula pattern). Stressing the second syllable ('pa-JA-ro') sounds unnatural and can cause confusion.

A quick cheat-sheet and your next steps

Here is a fast-reference table for the most common bird nouns in Spanish, showing the gender and correct article for each. Use this when you are writing or speaking and need a quick check.

For pronunciation: 'pájaro' is PÁ-ja-ro (three syllables, stress on the first, written accent marks tell you that). 'Ave' is AH-veh (two syllables, stress on the first). Neither word is difficult once you know where the stress lands.

Your practical rule of thumb

• Default to 'pájaro' (masculine) for everyday bird talk, pet references, and casual conversation.
• Switch to 'ave' (feminine) for formal writing, scientific descriptions, field guides, or when you mean birds as a category.
• When a specific species has its own Spanish name (grulla, golondrina, ibis), look up that word's gender separately since it will not always match the generic 'pájaro/ave' pattern.
• If you are learning Spanish with an app like Duolingo, note that the Duolingo owl mascot has its own separate gender discussion in Spanish fan circles, which is a fun rabbit hole if you are curious about bird gender in a different context.

The core takeaway is straightforward: 'pájaro' is masculine (el/un pájaro), 'ave' is feminine but uses 'el' in the singular (el ave, las aves), and adjectives follow the gender of whichever word you pick. If you are wondering what bird Duolingo refers to, it is generally the owl used as the app’s mascot ave is feminine. Get those two patterns down and you will handle nearly every bird conversation in Spanish without stumbling.