Hadith #2343 (Sunan Abi Dawud)
Book: Fasting (Kitab Al-Siyam)
Narrator(s): al-Harith bin Ziyad الحارث بن زياد, Amr bin Muhammad bin Bukayr, Arbad bin Sariyya al-Salmi, Hmad bin Khalid al-Khyat حماد بن خالد الخياط القرشي, Mu'awiya bin Salah bin Hadayr معاوية بن صالح بن حدير, Yonus bin Syf يونس بن سيف
Grade: Sahih

The Messenger of Allah (ﷺ) as saying: The difference between our fasting and that of the people of the Book is eating shortly before dawn.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-2343/

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Hadith #3255 (Sunan Abi Dawud)
Book: Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur)
Narrator(s): Amr bin Muhammad bin Bukayr, Isra'il bin Yonus bin Abi Ishaq إسرائيل بن يونس بن أبي إسحاق, Muhammad bin 'Abdullah bin al-Zubair محمد بن عبد الله أبو أحمد الزبيري
Grade: Sahih

The Messenger of Allah (ﷺ) as saying: Your oath should be about something regarding which your companion will believe you.
Musaddad said: ‘Abd Allah b. Abi Salih narrated to me.
Abu Dawud said: Both of them refer to the same person: ‘Abbad b. Abu Salih and ‘Abd Allah b. Abi Salih.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-3255/

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Hadith #4209 (Sunan Abi Dawud)
Book: Combing the Hair (Kitab Al-Tarajjul)
Narrator(s): Amr bin Muhammad bin Bukayr, ibn Umar, Nafie' نافع مولى ابن عمر
Grade: Sahih

He did not dye his hair, but Abu Bakr and ‘Umar dyed their hair.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4209/