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ahmad:8382 – Abū al-Naḍr > Ibrāhīm b. Saʿd from my father > Abū Salamah > Abū Hurayrah

There would enter Paradise people whose hearts would be like those of the hearts of birds. (Using translation from Muslim 2840)   

أحمد:٨٣٨٢ – حَدَّثَنَا أَبُو النَّضْرِ حَدَّثَنَا إِبْرَاهِيمُ بْنُ سَعْدٍ حَدَّثَنَا أَبِي عَنْ أَبِي سَلَمَةَ عَنْ أَبِي هُرَيْرَةَ

عَنْ رَسُولِ اللهِ ﷺ قَالَ يَدْخُلُ الْجَنَّةَ أَقْوَامٌ أَفْئِدَتُهُمْ مِثْلُ أَفْئِدَةِ الطَّيْرِ  

See similar narrations below:

Collected by Muslim, Aḥmad, Suyūṭī
muslim:2840 – Ḥajjāj b. al-Shāʿir > Abū al-Naḍr Hāshim b. al-Qāsim al-Laythī > Ibrāhīm / Ibn Saʿd from my father > Abū Salamah > Abū Hurayrah

There would enter Paradise people whose hearts would be like those of the hearts of birds.  

مسلم:٢٨٤٠ – حَدَّثَنَا حَجَّاجُ بْنُ الشَّاعِرِ حَدَّثَنَا أَبُو النَّضْرِ هَاشِمُ بْنُ الْقَاسِمِ اللَّيْثِيُّ حَدَّثَنَا إِبْرَاهِيمُ يَعْنِي ابْنَ سَعْدٍ حَدَّثَنَا أَبِي عَنْ أَبِي سَلَمَةَ عَنْ أَبِي هُرَيْرَةَ

عَنِ النَّبِيِّ ﷺ قَالَ يَدْخُلُ الْجَنَّةَ أَقْوَامٌ أَفْئِدَتُهُمْ مِثْلُ أَفْئِدَةِ الطَّيْرِ  

ahmad:8383 – Yaʿqūb from my father from his father > Abū Salamah

[Machine] The Messenger of Allah ﷺ said, "Abdullah (may Allah be pleased with him) said, and he is correct, meaning he did not mention Abu Huraira (may Allah be pleased with him), that some people will enter Paradise whose hearts are like the hearts of birds."  

أحمد:٨٣٨٣ – حَدَّثَنَاهُ يَعْقُوبُ قَالَ حَدَّثَنِي أَبِي عَنْ أَبِيهِ عَنْ أَبِي سَلَمَةَ قَالَ

قَالَ رَسُولُ اللهِ ﷺ قَالَ عَبْدُ اللهِ وَهُوَ الصَّوَابُ يَعْنِي لَمْ يَذْكُرْ أَبَا هُرَيْرَةَ يَدْخُلُ الْجَنَّةَ أَقْوَامٌ أَفْئِدَتُهُمْ مِثْلُ أَفْئِدَةِ الطَّيْرِ