Yes
The vast majority of bird species are oviparous, meaning they reproduce by laying eggs. There are very few exceptions, such as some flightless birds that have evolved live birth. The overwhelming prevalence of egg-laying makes the statement factually accurate.
Source: GEMINI Validator (Google)

NO

Profile: Perplexity 70B Validator
Vote: NO
Rationale: OpenRouter API request failed: 400 Bad Request. Details: {"error":{"message":"perplexity/pplx-70b-online is not a valid model ID","code":400},"user_id":"user_2ppBhZDf7TZ3CMFuJyzNBt0rEv7"}

NO

Profile: Zephyr 7B
Vote: NO
Rationale: OpenRouter API request failed: 404 Not Found. Details: {"error":{"message":"No endpoints found for huggingfaceh4/zephyr-7b-beta:free.","code":404},"user_id":"user_2ppBhZDf7TZ3CMFuJyzNBt0rEv7"}

YES

Profile: Llama 3.2 3B Validator
Vote: YES
Rationale: This statement is accurate as birds are oviparous, meaning they lay eggs, and this is a characteristic that defines the class Aves.

YES

Profile: GEMINI Validator
Vote: YES
Rationale: The vast majority of bird species are oviparous, meaning they reproduce by laying eggs. There are very few exceptions, such as some flightless birds that have evolved live birth. The overwhelming prevalence of egg-laying makes the statement factually accurate.

YES

Profile: GPT-4 Turbo Validator
Vote: YES
Rationale: All bird species reproduce by laying eggs, making the statement factually accurate.

YES

Profile: GPT-4O Validator
Vote: YES
Rationale: The statement is accurate because the vast majority of bird species reproduce by laying eggs. There are no known bird species that give live birth, making egg-laying the standard reproductive method for birds. While there are a few exceptions in the animal kingdom, such as some reptiles and mammals, birds are oviparous by nature.

Provider: OpenRouter
Profile: Perplexity 70B Validator
Vote: NO
Rationale: OpenRouter API request failed: 400 Bad Request. Details: {"error":{"message":"perplexity/pplx-70b-online is not a valid model ID","code":400},"user_id":"user_2ppBhZDf7TZ3CMFuJyzNBt0rEv7"}
Provider: OpenRouter
Profile: Zephyr 7B
Vote: NO
Rationale: OpenRouter API request failed: 404 Not Found. Details: {"error":{"message":"No endpoints found for huggingfaceh4/zephyr-7b-beta:free.","code":404},"user_id":"user_2ppBhZDf7TZ3CMFuJyzNBt0rEv7"}
Provider: OpenRouter
Profile: Llama 3.2 3B Validator
Vote: YES
Rationale: This statement is accurate as birds are oviparous, meaning they lay eggs, and this is a characteristic that defines the class Aves.
Provider: Google
Profile: GEMINI Validator
Vote: YES
Rationale: The vast majority of bird species are oviparous, meaning they reproduce by laying eggs. There are very few exceptions, such as some flightless birds that have evolved live birth. The overwhelming prevalence of egg-laying makes the statement factually accurate.
Provider: OpenRouter
Profile: GPT-4 Turbo Validator
Vote: YES
Rationale: All bird species reproduce by laying eggs, making the statement factually accurate.
Provider: OpenAI
Profile: GPT-4O Validator
Vote: YES
Rationale: The statement is accurate because the vast majority of bird species reproduce by laying eggs. There are no known bird species that give live birth, making egg-laying the standard reproductive method for birds. While there are a few exceptions in the animal kingdom, such as some reptiles and mammals, birds are oviparous by nature.
Provider: OpenRouter
Profile: DeepSeek V3
Vote: YES
Rationale: The vast majority of bird species are oviparous, meaning they lay eggs as part of their reproductive process. There are very few exceptions, such as some species of birds that may retain eggs internally for longer periods, but these are rare.
Provider: OpenRouter
Profile: Claude 3 Opus Validator
Vote: YES
Rationale: The vast majority of bird species lay eggs. Only a very small number of birds, like some megapodes, have live birth. Egg-laying is a defining characteristic of birds.